Year	current US$
1992	1600000
1993	15700000
1994	16100000
1995	27000000
1996	25100000
1997	27200000
1998	27300000
1999	24900000
2000	27100000
2001	26600000
2002	45200000
2003	65200000
2004	78700000
2005	90500000
2006	139836254.033068
2007	247820855.092675
2008	380087609.256278
2009	246615391.299707
2010	212118372.706493
2011	219450580.593999
2012	198961281.827074
2013	211200410.007268
2014	227660174.245279
2015	200987733.117407
2016	214512911.836612
2017	251937300.909598
2018	339017843.381777
2019	364694718.998778
2020	345670898.734414
2021	418062747.107359
2022	410984920.41955
2023	486332571.607289