Year	current US$
1994	1558956536.303492
1995	1455549861.2000854
1996	1934645481.0112205
1997	1822759561.0941584
1998	1926667621.0274732
1999	1333025972.7272727
2000	8496741957.971014
2001	2569522433.6666665
2002	3321158158.101278
2003	3752778010.9097886
2004	4136908507.5763054
2005	5193168206.602662
2006	6433314596.2771225
2007	7290764805.908004
2008	7663440105.655769
2009	7152260354.250974
2010	7629396101.1008625
2011	8556628372.340227
2012	9724413336.904907
2013	10566138935.8142
2014	11383691133.210058
2015	12552419678.660418
2016	12561751694.299295
2017	12831613239.150091
2018	15752080575.841175
2019	18566315085.496666
2020	17395678770.280964
2021	18359561838.910664
2022	21066287343.638565
2023	22258381061.1551