Year	current US$
1995	1655616484.98766
1996	1501848165.84495
1997	1593657246.90348
1998	1647704598.54852
1999	1665090514.55564
2000	1706662758.47288
2001	1750042142.68515
2002	1943284042.86964
2003	2470047709.23459
2004	2903966485.35958
2005	3223976617.1053
2006	3651426042.79812
2007	4633601077.64183
2008	5768840179.82938
2009	5538548039.01599
2010	5338685202.71263
2011	5775702106.45109
2012	5659624146.10394
2013	6157202621.8537
2014	6391919819.89689
2015	5529883324.73853
2016	5729388657.36785
2017	6051646533.45925
2018	6692924594.79714
2019	6857006862.35059
2020	7393436404.98258
2021	7985570019.68497