Year	constant 2021 international $
1995	5555.005304943776
1996	5795.229372016682
1997	6018.133369484814
1998	6185.212343092505
1999	6349.747259912798
2000	6588.266627490222
2001	6783.13610820223
2002	7004.6662542859685
2003	7351.388334088925
2004	7796.250480137974
2005	8251.527835957622
2006	8871.895577077428
2007	9593.553074744179
2008	10066.94889215014
2009	10318.289147865487
2010	10980.553302155038
2011	11791.09342835249
2012	12252.045602973549
2013	12676.550225571063
2014	13140.589514092175
2015	13500.05304360894
2016	13940.068663054519
2017	14516.105944732753
2018	15049.2005215409
2019	15506.934677044694
2020	15069.812358985231
2021	16062.364248362164
2022	16587.749592737422