Year	current US$
1995	176007667.96985164
1996	66842734.61644423
1997	547633503.2776088
1998	294298065.13310933
1999	663040399.8978196
2000	1056181661.8121188
2001	1350599299.968754
2002	1416323318.4400985
2003	1894157458.8340225
2004	2390805750.6207414
2005	5258992348.055523
2006	9459594632.42841
2007	14992749054.155344
2008	24397861211.99581
2009	17879805570.453716
2010	23666494568.40269
2011	30861797651.5957
2012	30847547783.31816
2013	31710717651.59373
2014	30657694328.185097
2015	14926048489.093897
2016	8557997496.594018
2017	11861828064.927336
2018	15146459143.206217
2019	13765088231.142458
2020	10062305411.764706
2021	17835539823.52941
2022	33140107882.352943
2023	21573688294.11765