Year	US Dollars adjusted for inflation)
1800	1057
1801	1058
1802	1058
1803	1058
1804	1058
1805	1058
1806	1058
1807	1059
1808	1059
1809	1059
1810	1059
1811	1059
1812	1059
1813	1059
1814	1060
1815	1060
1816	1060
1817	1060
1818	1060
1819	1060
1820	1061
1821	1069
1822	1078
1823	1087
1824	1096
1825	1105
1826	1114
1827	1123
1828	1132
1829	1141
1830	1151
1831	1160
1832	1170
1833	1179
1834	1189
1835	1199
1836	1209
1837	1219
1838	1229
1839	1239
1840	1249
1841	1259
1842	1269
1843	1280
1844	1290
1845	1301
1846	1312
1847	1322
1848	1333
1849	1344
1850	1355
1851	1360
1852	1366
1853	1371
1854	1376
1855	1382
1856	1387
1857	1393
1858	1398
1859	1403
1860	1409
1861	1414
1862	1420
1863	1426
1864	1431
1865	1437
1866	1442
1867	1448
1868	1454
1869	1459
1870	1465
1871	1490
1872	1516
1873	1543
1874	1569
1875	1597
1876	1625
1877	1653
1878	1681
1879	1711
1880	1740
1881	1771
1882	1801
1883	1833
1884	1865
1885	1897
1886	1930
1887	1964
1888	1998
1889	2032
1890	2068
1891	2082
1892	2097
1893	2111
1894	2126
1895	2140
1896	2155
1897	2170
1898	2185
1899	2200
1900	2216
1901	2251
1902	2288
1903	2325
1904	2362
1905	2400
1906	2439
1907	2478
1908	2518
1909	2559
1910	2600
1911	2601
1912	2601
1913	2601
1914	2593
1915	2584
1916	2575
1917	2566
1918	2558
1919	2549
1920	2541
1921	2572
1922	2617
1923	2721
1924	2883
1925	2989
1926	3161
1927	3073
1928	3305
1929	3439
1930	3332
1931	3194
1932	2864
1933	2920
1934	2994
1935	2916
1936	3257
1937	3274
1938	3495
1939	3647
1940	3623
1941	3600
1942	3577
1943	3554
1944	3531
1945	3508
1946	3485
1947	3463
1948	4085
1949	4438
1950	4111
1951	4227
1952	3857
1953	4384
1954	4579
1955	4818
1956	4680
1957	5424
1958	5613
1959	6258
1960	6606
1961	6850
1962	6925
1963	7589
1964	8256
1965	8415
1966	8802
1967	8895
1968	9026
1969	9978
1970	10400
1971	11522
1972	11837
1973	12155
1974	13630
1975	13538
1976	13854
1977	14755
1978	15466
1979	16422
1980	17148
1981	17383
1982	17434
1983	17520
1984	17902
1985	17988
1986	18668
1987	18409
1988	18106
1989	17834
1990	16503
1991	14594
1992	11054
1993	6935
1994	6942
1995	7809
1996	9776
1997	10205
1998	10738
1999	9755
2000	10075
2001	10145
2002	10297
2003	10512
2004	10955
2005	11397
2006	12358
2007	13657
2008	14576
2009	13722
2010	14035
2011	14472
2012	14066
2013	14551
2014	14797
2015	15291
2016	15658
2017	16175
2018	16606
2019	16999
2020	17489
2021	17986
2022	18484
2023	18977
2024	19463
2025	19941
2026	20413
2027	20883
2028	21355
2029	21833
2030	22319
2031	22814
2032	23320
2033	23837
2034	24365
2035	24905
2036	25457
2037	26021
2038	26597
2039	27186
2040	27788