Year	current US$
1995	5974623517.871038
1996	5761888908.2604
1997	5572108502.068124
1998	6209837200.050503
1999	5919993029.665487
2000	5060033803.75351
2001	4807339530.884763
2002	5503895303.206528
2003	7042213554.716707
2004	8386275178.095414
2005	8976061652.612486
2006	9951278954.135445
2007	12303213410.063028
2008	14114348685.545858
2009	13968846319.612694
2010	13195228139.856134
2011	14358983756.756418
2012	13077458176.534147
2013	13493901361.967182
2014	13701667399.555485
2015	11419505118.677654
2016	11539024201.26098
2017	12235032665.266592
2018	13429341828.66051
2019	13357124049.544586
2020	14458588148.755629
2021	15983924151.087551
2022	15169850621.48035
2023	17416384177.125538