Year	current US$
1997	365741.808790182
1998	1356058.09105283
1999	1496728.01751059
2000	1761187.47925119
2001	1778067.87042612
2002	1688039.11749315
2003	4839045.47014703
2004	4670241.55839771
2005	4670241.55839771
2006	4726509.52898082
2007	4698375.54368927
2008	5120385.32306255
2009	5789974.1730015
2010	11619335.9254112
2011	12857231.2782395
2012	12407087.5135747
2020	1688039.11749315
2021	1130986.20872041
2022	1980632.5645253