Year	current US$
1995	337418122.4975652
1996	228264782.60869566
1997	168158614.71861473
1998	79469906.89013036
1999	237618045.45713687
2000	235783002.55762687
2001	325229741.9715858
2002	353412987.5488101
2003	334132284.36590016
2004	624732424.6652012
2005	684418161.0563806
2006	742202434.7786751
2007	1050369538.2969197
2008	1412296724.994621
2009	764521588.9446709
2010	1186138365.0090332
2011	1175116164.531207
2012	1459221121.4284482
2013	1872977951.7073345
2014	1650464892.1960042
2015	1427992577.4965837
2016	1467141130.7256825
2017	1545156260.223088
2018	1786650998.96834
2019	1823196700.441729
2020	1858711867.747903
2021	1975181412.6426876
2022	1454349000.4966364
2023	1479240025.6497784