3d700a33a8
Added authoritative U.S. GDP data from FRED/BEA covering 96 years of economic history: - Real GDP quarterly data: Q1 1947 - Q2 2025 (314 data points) - Real GDP annual data: 1929 - 2024 (96 data points) Includes comprehensive research-backed documentation: - Complete source verification (10 parallel research agents, 95%+ confidence) - Full methodology documentation and data quality standards - Download instructions, APIs, and update procedures - Historical context from Great Depression through COVID-19 Updated main README with Data directory documentation and dataset comparison table. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
98 lines
1.9 KiB
CSV
98 lines
1.9 KiB
CSV
observation_date,GDPCA
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1929-01-01,1191.124
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1930-01-01,1089.785
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1931-01-01,1019.977
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1932-01-01,888.414
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1933-01-01,877.431
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1934-01-01,972.263
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1935-01-01,1058.836
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1936-01-01,1195.251
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1937-01-01,1256.503
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1938-01-01,1214.869
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1939-01-01,1312.365
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1940-01-01,1428.075
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1941-01-01,1681.049
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1942-01-01,1998.542
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1943-01-01,2338.761
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1944-01-01,2524.752
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1945-01-01,2500.057
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1946-01-01,2209.911
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1947-01-01,2184.614
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1948-01-01,2274.627
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1949-01-01,2261.928
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1950-01-01,2458.532
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1951-01-01,2656.320
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1952-01-01,2764.803
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1953-01-01,2894.411
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1954-01-01,2877.708
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1955-01-01,3083.026
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1956-01-01,3148.765
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1957-01-01,3215.065
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1958-01-01,3191.216
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1959-01-01,3412.421
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1960-01-01,3500.272
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1961-01-01,3590.066
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1962-01-01,3810.124
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1963-01-01,3976.142
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1964-01-01,4205.277
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1965-01-01,4478.555
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1966-01-01,4773.931
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1967-01-01,4904.864
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1968-01-01,5145.914
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1969-01-01,5306.594
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1970-01-01,5316.391
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1971-01-01,5491.445
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1972-01-01,5780.048
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1973-01-01,6106.371
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1974-01-01,6073.363
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1975-01-01,6060.875
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1976-01-01,6387.437
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1977-01-01,6682.804
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1978-01-01,7052.711
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1979-01-01,7275.999
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1980-01-01,7257.316
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1981-01-01,7441.485
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1982-01-01,7307.314
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1983-01-01,7642.266
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1984-01-01,8195.295
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1985-01-01,8537.004
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1986-01-01,8832.611
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1987-01-01,9137.745
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1988-01-01,9519.427
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1989-01-01,9869.003
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1990-01-01,10055.129
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1991-01-01,10044.238
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1992-01-01,10398.046
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1993-01-01,10684.179
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1994-01-01,11114.647
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1995-01-01,11413.012
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1996-01-01,11843.599
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1997-01-01,12370.299
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1998-01-01,12924.876
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1999-01-01,13543.774
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2000-01-01,14096.033
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2001-01-01,14230.726
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2002-01-01,14472.712
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2003-01-01,14877.312
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2004-01-01,15449.757
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2005-01-01,15987.957
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2006-01-01,16433.148
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2007-01-01,16762.445
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2008-01-01,16781.485
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2009-01-01,16349.110
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2010-01-01,16789.750
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2011-01-01,17052.410
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2012-01-01,17442.759
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2013-01-01,17812.167
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2014-01-01,18261.714
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2015-01-01,18799.622
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2016-01-01,19141.672
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2017-01-01,19612.102
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2018-01-01,20193.896
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2019-01-01,20715.671
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2020-01-01,20284.500
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2021-01-01,21532.407
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2022-01-01,22075.931
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2023-01-01,22723.719
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2024-01-01,23358.435
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