Year	US Dollars adjusted for inflation)
1800	578
1801	578
1802	577
1803	577
1804	576
1805	576
1806	575
1807	574
1808	574
1809	573
1810	573
1811	572
1812	571
1813	571
1814	570
1815	570
1816	569
1817	569
1818	568
1819	567
1820	567
1821	566
1822	566
1823	565
1824	565
1825	564
1826	563
1827	563
1828	562
1829	562
1830	561
1831	561
1832	560
1833	559
1834	559
1835	558
1836	558
1837	557
1838	557
1839	556
1840	555
1841	555
1842	554
1843	554
1844	553
1845	553
1846	552
1847	552
1848	551
1849	550
1850	550
1851	549
1852	549
1853	548
1854	548
1855	547
1856	547
1857	546
1858	545
1859	545
1860	544
1861	544
1862	543
1863	543
1864	542
1865	542
1866	541
1867	540
1868	540
1869	539
1870	539
1871	538
1872	538
1873	537
1874	537
1875	536
1876	536
1877	535
1878	534
1879	534
1880	533
1881	533
1882	532
1883	532
1884	531
1885	531
1886	530
1887	530
1888	529
1889	529
1890	528
1891	527
1892	527
1893	526
1894	526
1895	525
1896	525
1897	524
1898	524
1899	523
1900	523
1901	525
1902	527
1903	529
1904	531
1905	533
1906	535
1907	537
1908	539
1909	542
1910	544
1911	551
1912	574
1913	595
1914	621
1915	726
1916	710
1917	784
1918	843
1919	897
1920	778
1921	843
1922	777
1923	835
1924	843
1925	844
1926	877
1927	917
1928	924
1929	875
1930	829
1931	833
1932	834
1933	1008
1934	1006
1935	1096
1936	1197
1937	1321
1938	1391
1939	1257
1940	1418
1941	1438
1942	1429
1943	1449
1944	1386
1945	650
1946	662
1947	703
1948	761
1949	822
1950	867
1951	729
1952	784
1953	1018
1954	1080
1955	1146
1956	1208
1957	1322
1958	1498
1959	1452
1960	1544
1961	1624
1962	1592
1963	1577
1964	1592
1965	1630
1966	1616
1967	1646
1968	1673
1969	1643
1970	1697
1971	1699
1972	1730
1973	1751
1974	1782
1975	1844
1976	1851
1977	1884
1978	1809
1979	2015
1980	1887
1981	2073
1982	2180
1983	2138
1984	2205
1985	2121
1986	2106
1987	2142
1988	2198
1989	2257
1990	2076
1991	1973
1992	1745
1993	1619
1994	1605
1995	1442
1996	1393
1997	1230
1998	1267
1999	1377
2000	1287
2001	1368
2002	1375
2003	1405
2004	1410
2005	1464
2006	1461
2007	1392
2008	1427
2009	1407
2010	1393
2011	1397
2012	1393
2013	1392
2014	1391
2015	1390
2016	1389
2017	1388
2018	1387
2019	1386
2020	1385
2021	1386
2022	1391
2023	1400
2024	1415
2025	1435
2026	1459
2027	1487
2028	1518
2029	1551
2030	1585
2031	1620
2032	1656
2033	1693
2034	1731
2035	1769
2036	1808
2037	1848
2038	1889
2039	1931
2040	1974