Year	current US$
1990	32838693.2645821
1991	35737817.2904375
1992	37106756.9023251
1993	41505189.5613658
1994	45248989.1530327
1995	51517665.9288509
1996	64465074.5424869
1997	82283819.3440389
1998	85424557.8644155
1999	121239381.275684
2000	120464857.064375
2001	125950397.543428
2002	137844894.690652
2003	111578406.889185
2004	120681519.588161
2005	136805530.517178
2006	139785591.661496
2007	145763380.49707
2008	173640170.095938
2009	166533392.011649
2010	181471837.747392
2011	182549725.428318
2012	249803189.078529
2013	280907591.20943
2014	309770957.581471
2015	341121368.526107
2016	344391811.058316
2017	395124515.8885
2018	399231401.663486
2019	441635708.893923
2020	462632349.451246
2021	524676339.445296