Year	constant 2021 international $
1990	2495.738206821212
1991	2645.5433517580395
1992	2873.5041541318597
1993	3127.151271165696
1994	3399.728472406866
1995	3676.0066898527875
1996	3947.4380650856133
1997	4156.133969294432
1998	4142.051002727546
1999	4336.140753806854
2000	4606.852816767286
2001	4857.462431909793
2002	5181.008520045843
2003	5572.51135744825
2004	6006.444528261454
2005	6514.066917508652
2006	7128.9684954313525
2007	7897.655880712907
2008	8474.66821324113
2009	9026.978601300507
2010	9816.716130343759
2011	10537.92345638407
2012	11224.82689907619
2013	11915.496089525937
2014	12615.705516510305
2015	13336.593078654816
2016	14084.069998913585
2017	14895.670640622422
2018	15747.426514079561
2019	16550.00133590344
2020	16593.206157343182
2021	17704.285604339526
2022	18301.724213055706
2023	19172.764597603455