Year	current US$
1995	-600655316.341382
1996	-433686896.073217
1997	91689732.1758326
1998	50541870.9368322
1999	-236605696.193024
2000	104481857.858509
2001	394774844.657264
2002	801087868.477341
2003	1007101636.81248
2004	1272237404.15079
2005	1980773959.42311
2006	2195448042.39011
2007	3290141870.82775
2008	2983022538.28277
2009	1565881402.78835
2010	2836827242.7661
2011	3699967598.12295
2012	3469619827.56848
2013	5129772526.34146
2014	6242591386.84394
2015	3366597366.80722
2016	3230448624.42041
2017	4627235267.88191
2018	5847110364.40846
2019	6299855356.51742
2020	6294935589.2972
2021	7733456488.97603