Year	US Dollars adjusted for inflation)
1800	556
1801	557
1802	557
1803	557
1804	557
1805	557
1806	558
1807	558
1808	558
1809	558
1810	558
1811	559
1812	559
1813	559
1814	559
1815	559
1816	560
1817	560
1818	560
1819	560
1820	561
1821	564
1822	567
1823	570
1824	573
1825	577
1826	580
1827	583
1828	586
1829	590
1830	593
1831	596
1832	600
1833	603
1834	607
1835	610
1836	614
1837	617
1838	620
1839	624
1840	628
1841	631
1842	635
1843	638
1844	642
1845	645
1846	649
1847	653
1848	657
1849	660
1850	664
1851	668
1852	672
1853	675
1854	679
1855	683
1856	687
1857	691
1858	695
1859	699
1860	703
1861	707
1862	711
1863	715
1864	719
1865	723
1866	727
1867	731
1868	735
1869	739
1870	743
1871	748
1872	752
1873	756
1874	760
1875	765
1876	769
1877	773
1878	778
1879	782
1880	786
1881	791
1882	795
1883	800
1884	804
1885	809
1886	777
1887	908
1888	873
1889	811
1890	807
1891	739
1892	809
1893	916
1894	1040
1895	962
1896	1059
1897	1041
1898	1068
1899	1132
1900	1107
1901	1134
1902	1231
1903	1146
1904	1266
1905	1120
1906	1070
1907	1027
1908	1121
1909	1163
1910	1240
1911	1145
1912	1236
1913	1298
1914	1238
1915	1274
1916	1132
1917	993
1918	608
1919	523
1920	525
1921	480
1922	556
1923	640
1924	809
1925	1009
1926	1131
1927	1177
1928	1235
1929	1248
1930	1302
1931	1312
1932	1289
1933	1336
1934	1456
1935	1662
1936	1772
1937	1915
1938	1907
1939	1981
1940	1895
1941	1856
1942	1818
1943	1781
1944	1745
1945	1709
1946	1674
1947	1857
1948	2094
1949	2283
1950	2469
1951	2434
1952	2543
1953	2604
1954	2680
1955	2853
1956	3066
1957	3069
1958	3236
1959	3138
1960	3368
1961	3495
1962	3528
1963	3392
1964	3774
1965	3936
1966	4076
1967	4207
1968	4405
1969	4421
1970	4712
1971	4785
1972	4759
1973	5105
1974	5063
1975	4893
1976	4938
1977	4874
1978	4819
1979	4627
1980	4470
1981	4353
1982	4303
1983	4284
1984	4182
1985	4068
1986	4084
1987	3991
1988	3933
1989	3864
1990	3645
1991	3313
1992	2308
1993	1898
1994	1471
1995	1270
1996	1043
1997	1045
1998	1085
1999	1107
2000	1180
2001	1277
2002	1389
2003	1511
2004	1633
2005	1707
2006	1788
2007	1887
2008	1992
2009	2022
2010	2106
2011	2212
2012	2324
2013	2441
2014	2547
2015	2641
2016	2763
2017	2841
2018	2922
2019	3005
2020	3090
2021	3177
2022	3264
2023	3350
2024	3435
2025	3519
2026	3602
2027	3685
2028	3768
2029	3852
2030	3938
2031	4025
2032	4114
2033	4205
2034	4298
2035	4393
2036	4490
2037	4589
2038	4691
2039	4795
2040	4901