Year	current US$
1960	1436.2588540565505
1961	1439.449723564322
1962	1585.7214377970024
1963	1859.248361677728
1964	2332.47365785423
1965	2764.4735648387873
1966	3264.04742660905
1967	3172.648770525591
1968	2389.8835046781282
1969	2069.8589639077563
1970	2576.353444342761
1971	3252.099177884484
1972	4014.842730175577
1973	5437.3425254121685
1974	7040.554044197263
1975	6454.177151593782
1976	7583.275298043265
1977	9957.254434334634
1978	11236.735735063992
1979	12640.640812835505
1980	14821.81509127069
1981	15137.253840868261
1982	13711.736271859663
1983	11671.809229211909
1984	11959.540010292087
1985	12361.18703651835
1986	16406.04794506998
1987	22453.18822838088
1988	24451.973317233413
1989	22434.3467683494
1990	25384.915022630248
1991	26802.98951566781
1992	27124.274537959358
1993	23579.79536124172
1994	24018.63139671889
1995	26633.59137615486
1996	27614.877027312217
1997	27919.18549665616
1998	31030.053598918115
1999	32381.625235648808
2000	32096.37226136954
2001	28897.44393969084
2002	32409.216149175325
2003	39476.69784866839
2004	47334.93065377233
2005	56794.85015889529
2006	57492.9342498703
2007	69495.7267376825
2008	56943.370446856316
2009	41301.273219718045
2010	43237.07294889581
2011	47714.59223084845
2012	45995.54787894672
2013	49804.982997837134
2014	54576.744814656486
2015	52951.68151108975
2016	61987.926362028345
2017	72010.14903162584
2018	74452.18907314472
2019	68452.23622306001
2020	59023.56634657781
2021	69252.3112431448
2022	75135.09161363576
2023	78811.05839226935