Year	current US$
1992	1850000.001490116
1994	1610000.0143051152
1997	2580000.072717662
1998	2220000.021159644
1999	3179999.9326467505
2000	3439999.893307679
2001	4450000.002980225
2002	4300000.041723254
2003	6190000.053495163
2004	7599999.9530613385
2005	12390000.104904167
2006	18500000.05215407
2007	22719999.715685833
2008	25030000.384896994
2009	17939999.73498285
2010	14950000.002980232
2011	11419999.726116661
2012	11190000.124275686
2013	15760000.012815006
2014	14279999.922960993
2015	15770000.280812388
2016	19689999.93242324
2017	17309999.946504835
2018	30509999.20256435
2019	23970000.00998377
2020	21540000.043809414
2021	26499999.796971686
2022	44770000.44472511