Year	current US$
1990	9918.081193579084
1991	7224.169460312049
1992	7146.065993400951
1993	7249.428857406135
1994	8238.035265914563
1995	10730.451013637876
1996	10815.111045768848
1997	10454.965639065658
1998	11175.771028626496
1999	11452.783124508223
2000	10201.303536672682
2001	10479.759630927281
2002	11777.155657881414
2003	14849.037241503169
2004	17233.138561127915
2005	18098.90854400028
2006	19672.965555414557
2007	23817.88673202007
2008	27595.599965399237
2009	24792.12798055042
2010	23532.480854546822
2011	25128.015043130395
2012	22641.805122502992
2013	23503.282485025542
2014	24247.17331840832
2015	20890.166430417266
2016	21678.359467062946
2017	23514.025460414683
2018	26123.747127791055
2019	26042.446346803168
2020	25558.429054450586
2021	29331.064701004307
2022	28439.33409896874
2023	32163.51141524844