Year	current US$
1995	15369999.8855591
1996	19920000.0762939
1997	7099999.90463257
1998	12939999.5803833
1999	17979999.5422363
2000	11220000.2670288
2001	12489999.7711182
2002	15770000.4577637
2003	14039999.961853001
2004	12689999.5803833
2005	16629999.160766602
2006	18569999.6948242
2007	17700000.762939498
2008	16290000.9155273
2009	19530000.6866455
2010	19290000.915527303
2011	27430000.3051758
2012	18739999.7711182
2013	22879999.1607666
2014	28440000.5340576
2015	24709999.084472697
2016	24280000.6866455
2017	22569999.6948242
2018	21989999.7711182
2019	22459999.084472697
2020	21690000.5340576
2021	30040000.915527303
2022	20360000.6103516