Year	current US$
1993	3039999.96185303
1994	13510000.2288818
1995	8060000.419616699
1996	2890000.10490417
1997	8470000.26702881
1998	5210000.03814697
1999	6150000.09536743
2000	7239999.771118159
2001	4900000.09536743
2002	13850000.3814697
2003	8600000.38146973
2004	10420000.076293899
2005	9310000.4196167
2006	16540000.9155273
2007	10560000.4196167
2008	10869999.8855591
2009	18159999.8474121
2010	17629999.1607666
2011	23110000.6103516
2012	22809999.4659424
2013	24260000.2288818
2014	28950000.762939498
2015	26850000.3814697
2016	22399999.6185303
2017	26100000.3814697
2018	20180000.3051758
2019	22180000.3051758
2020	24069999.6948242
2021	27139999.3896484
2022	21440000.5340576