Year	current international $
1990	4461.145261395865
1991	5048.168535826793
1992	5703.4416650152825
1993	6073.237119272264
1994	6069.179203626775
1995	6084.150543112807
1996	6076.430514539279
1997	6227.020545945372
1998	6315.550266053139
1999	6772.79909570122
2000	7525.905207155141
2001	7829.074965696348
2002	8121.815205660198
2003	8807.04283283645
2004	9193.120743913052
2005	9406.70071437784
2006	9841.032742853049
2007	10144.231202798252
2008	9897.563302435832
2009	9645.507732494447
2010	9640.297074392469
2011	9588.608909075478
2012	9145.72688146158
2013	9378.916506847148
2014	9340.362115962578
2015	9451.563573947251
2016	9336.41993712102
2017	9086.91190946349
2018	9479.911474371116
2019	10436.333526800472
2020	9540.671149688344
2021	11559.890598468824
2022	13280.598394184515
2023	14195.31362077654