Year	US Dollars adjusted for inflation)
1800	682
1801	682
1802	682
1803	682
1804	682
1805	682
1806	682
1807	682
1808	682
1809	683
1810	683
1811	683
1812	683
1813	683
1814	683
1815	683
1816	683
1817	683
1818	683
1819	684
1820	684
1821	687
1822	690
1823	693
1824	696
1825	699
1826	702
1827	705
1828	708
1829	711
1830	715
1831	718
1832	721
1833	724
1834	727
1835	731
1836	734
1837	737
1838	740
1839	744
1840	747
1841	750
1842	754
1843	757
1844	760
1845	764
1846	767
1847	770
1848	774
1849	777
1850	781
1851	784
1852	788
1853	791
1854	795
1855	798
1856	802
1857	805
1858	809
1859	813
1860	816
1861	820
1862	823
1863	827
1864	831
1865	834
1866	838
1867	842
1868	846
1869	849
1870	853
1871	878
1872	904
1873	930
1874	957
1875	985
1876	1014
1877	1043
1878	1074
1879	1105
1880	1138
1881	1171
1882	1205
1883	1240
1884	1273
1885	1346
1886	1260
1887	1385
1888	1420
1889	1364
1890	1437
1891	1285
1892	1099
1893	1525
1894	1294
1895	1482
1896	1306
1897	1182
1898	1319
1899	1295
1900	1236
1901	1199
1902	1290
1903	1377
1904	1320
1905	1297
1906	1204
1907	1194
1908	1268
1909	1304
1910	1335
1911	1413
1912	1449
1913	1662
1914	1437
1915	1470
1916	1381
1917	1602
1918	1582
1919	1470
1920	1753
1921	1738
1922	1800
1923	2070
1924	2467
1925	3163
1926	3767
1927	3975
1928	4506
1929	4978
1930	4979
1931	4155
1932	4271
1933	4158
1934	4386
1935	4828
1936	4983
1937	5488
1938	5705
1939	5955
1940	5640
1941	5592
1942	5020
1943	5264
1944	6505
1945	7509
1946	8668
1947	10280
1948	11860
1949	11583
1950	11040
1951	11237
1952	11495
1953	11548
1954	12114
1955	12515
1956	13409
1957	14609
1958	13502
1959	13446
1960	12968
1961	12360
1962	12524
1963	12421
1964	13736
1965	14000
1966	13751
1967	14166
1968	14702
1969	14689
1970	15323
1971	15479
1972	15596
1973	16293
1974	16962
1975	17624
1976	18854
1977	19534
1978	19389
1979	19041
1980	18030
1981	17445
1982	16590
1983	14942
1984	14138
1985	13796
1986	14011
1987	14716
1988	15413
1989	14040
1990	14451
1991	15490
1992	16060
1993	15753
1994	15055
1995	15323
1996	14982
1997	15619
1998	15360
1999	14166
2000	14413
2001	14627
2002	13091
2003	11861
2004	13785
2005	14948
2006	16149
2007	17276
2008	17897
2009	17054
2010	16545
2011	16981
2012	17679
2013	17665
2014	16746
2015	15581
2016	14958
2017	14506
2018	14211
2019	13992
2020	13621
2021	13300
2022	13059
2023	12917
2024	12879
2025	12938
2026	13079
2027	13284
2028	13533
2029	13812
2030	14109
2031	14419
2032	14738
2033	15064
2034	15398
2035	15739
2036	16088
2037	16444
2038	16808
2039	17180
2040	17561