Year	US Dollars adjusted for inflation)
1800	1108
1801	1108
1802	1109
1803	1109
1804	1109
1805	1109
1806	1109
1807	1109
1808	1110
1809	1110
1810	1110
1811	1110
1812	1110
1813	1110
1814	1111
1815	1111
1816	1111
1817	1111
1818	1111
1819	1111
1820	1112
1821	1114
1822	1116
1823	1119
1824	1121
1825	1123
1826	1126
1827	1128
1828	1131
1829	1133
1830	1135
1831	1138
1832	1140
1833	1143
1834	1145
1835	1147
1836	1150
1837	1152
1838	1155
1839	1157
1840	1160
1841	1162
1842	1165
1843	1167
1844	1170
1845	1172
1846	1175
1847	1177
1848	1180
1849	1182
1850	1185
1851	1267
1852	1232
1853	1157
1854	1117
1855	1128
1856	1169
1857	1252
1858	1332
1859	1322
1860	1357
1861	1345
1862	1281
1863	1311
1864	1329
1865	1428
1866	1480
1867	1603
1868	1604
1869	1604
1870	1487
1871	1487
1872	1539
1873	1494
1874	1517
1875	1540
1876	1482
1877	1441
1878	1512
1879	1524
1880	1454
1881	1466
1882	1502
1883	1461
1884	1560
1885	1449
1886	1497
1887	1398
1888	1344
1889	1363
1890	1491
1891	1585
1892	1374
1893	1170
1894	1170
1895	1387
1896	1259
1897	1241
1898	1270
1899	1247
1900	1200
1901	1353
1902	1314
1903	1317
1904	1300
1905	1321
1906	1456
1907	1444
1908	1368
1909	1474
1910	1487
1911	1532
1912	1592
1913	1597
1914	1530
1915	1497
1916	1471
1917	1570
1918	1491
1919	1568
1920	1721
1921	1701
1922	1784
1923	1878
1924	1852
1925	1797
1926	1834
1927	1976
1928	2142
1929	2099
1930	1997
1931	1870
1932	1896
1933	2012
1934	2133
1935	2137
1936	2330
1937	2370
1938	2407
1939	2398
1940	2308
1941	2351
1942	2214
1943	2337
1944	2451
1945	2458
1946	2663
1947	2643
1948	2812
1949	2933
1950	3032
1951	3075
1952	3192
1953	3230
1954	3368
1955	3545
1956	3523
1957	3670
1958	3938
1959	4187
1960	4436
1961	4666
1962	4827
1963	4701
1964	4711
1965	4674
1966	4840
1967	4893
1968	5220
1969	5555
1970	5936
1971	6469
1972	7089
1973	7912
1974	8370
1975	8605
1976	9284
1977	9522
1978	9770
1979	10199
1980	10934
1981	10236
1982	10106
1983	9601
1984	9925
1985	10508
1986	11093
1987	11281
1988	11076
1989	11241
1990	10345
1991	10320
1992	10100
1993	10398
1994	10776
1995	11072
1996	11137
1997	11335
1998	11197
1999	11081
2000	11371
2001	11369
2002	11560
2003	11543
2004	12058
2005	12299
2006	12645
2007	13271
2008	13806
2009	13653
2010	14539
2011	14973
2012	15118
2013	15430
2014	15371
2015	14666
2016	14024
2017	14165
2018	14341
2019	14530
2020	14638
2021	14760
2022	14907
2023	15088
2024	15308
2025	15566
2026	15858
2027	16178
2028	16520
2029	16878
2030	17249
2031	17630
2032	18020
2033	18419
2034	18827
2035	19244
2036	19670
2037	20106
2038	20551
2039	21006
2040	21471