Year	US Dollars adjusted for inflation)
1800	973
1801	973
1802	973
1803	974
1804	974
1805	974
1806	974
1807	974
1808	974
1809	974
1810	975
1811	975
1812	975
1813	975
1814	975
1815	975
1816	975
1817	976
1818	976
1819	976
1820	976
1821	986
1822	997
1823	1008
1824	1018
1825	1029
1826	1040
1827	1051
1828	1063
1829	1074
1830	1085
1831	1097
1832	1109
1833	1120
1834	1132
1835	1144
1836	1157
1837	1169
1838	1182
1839	1194
1840	1207
1841	1220
1842	1233
1843	1246
1844	1259
1845	1273
1846	1286
1847	1300
1848	1314
1849	1328
1850	1342
1851	1356
1852	1371
1853	1385
1854	1400
1855	1415
1856	1430
1857	1446
1858	1461
1859	1477
1860	1492
1861	1508
1862	1524
1863	1541
1864	1557
1865	1574
1866	1591
1867	1607
1868	1625
1869	1642
1870	1659
1871	1677
1872	1695
1873	1713
1874	1731
1875	1750
1876	1769
1877	1788
1878	1807
1879	1826
1880	1845
1881	1865
1882	1885
1883	1905
1884	1925
1885	1946
1886	1967
1887	1988
1888	2009
1889	2030
1890	2052
1891	2074
1892	2096
1893	2118
1894	2141
1895	2164
1896	2187
1897	2210
1898	2234
1899	2258
1900	2282
1901	2306
1902	2331
1903	2356
1904	2381
1905	2406
1906	2432
1907	2458
1908	2484
1909	2511
1910	2537
1911	2564
1912	2592
1913	2619
1914	2647
1915	2676
1916	2704
1917	2733
1918	2762
1919	2792
1920	2821
1921	2927
1922	2637
1923	2820
1924	2940
1925	3244
1926	2775
1927	2786
1928	3526
1929	3878
1930	3133
1931	2886
1932	2595
1933	3216
1934	2875
1935	2840
1936	2197
1937	2319
1938	2366
1939	2827
1940	3013
1941	3254
1942	3059
1943	3275
1944	3168
1945	3111
1946	3269
1947	3175
1948	3379
1949	3219
1950	3516
1951	3640
1952	4127
1953	4097
1954	4341
1955	4487
1956	4345
1957	4563
1958	4433
1959	4357
1960	4275
1961	4448
1962	4774
1963	5121
1964	5535
1965	5866
1966	5863
1967	6069
1968	5953
1969	6143
1970	6001
1971	6090
1972	6097
1973	6216
1974	6877
1975	6644
1976	6758
1977	7097
1978	6396
1979	4549
1980	4550
1981	4630
1982	4465
1983	4564
1984	4362
1985	4085
1986	3908
1987	3782
1988	3272
1989	3137
1990	3004
1991	2933
1992	2880
1993	2807
1994	2840
1995	2948
1996	3076
1997	3141
1998	3202
1999	3372
2000	3456
2001	3507
2002	3485
2003	3525
2004	3665
2005	3772
2006	3865
2007	4008
2008	4092
2009	3907
2010	4029
2011	4231
2012	4453
2013	4619
2014	4785
2015	4961
2016	5137
2017	5296
2018	5470
2019	5649
2020	5832
2021	6017
2022	6201
2023	6381
2024	6556
2025	6725
2026	6890
2027	7052
2028	7213
2029	7375
2030	7539
2031	7706
2032	7877
2033	8052
2034	8230
2035	8412
2036	8598
2037	8788
2038	8983
2039	9182
2040	9385