Year	current US$
1990	54714551.6122905
1991	60994733.8621412
1992	52664855.9072684
1993	54021314.8653006
1994	32550139.5863277
1995	32680523.0430275
1996	49749010.5860241
1997	57509345.1050516
1998	37070697.8710546
1999	38961843.1718468
2000	38286540.9662661
2001	38514171.4916133
2002	74617274.3879177
2003	63184729.9037566
2004	62680178.9000799
2005	62088384.379114
2006	65515726.0147711
2007	67206255.9659992
2008	76799267.655358
2009	87546678.0515712
2010	98412914.3564544
2011	115420389.038931
2012	88951670.6926988
2013	78934463.4039168
2014	83212836.856204
2015	86247905.6201997
2016	71724390.654338
2017	111666284.723116
2018	119595385.408972
2019	126970208.952365
2020	137564086.165696
2021	136711855.388115