Year	current international $
1990	5378.148984938565
1991	5163.10388411056
1992	4370.832802969344
1993	4422.90322666976
1994	3644.247095413344
1995	3376.3156211555934
1996	3604.965468325117
1997	3202.4835355569244
1998	3415.3067779790467
1999	3972.7756733049882
2000	4221.14156574617
2001	4439.585350021222
2002	4458.727839527496
2003	4636.165038768712
2004	4935.833261598386
2005	5676.393987105461
2006	6404.07718403233
2007	7201.99343057721
2008	8295.714639371517
2009	8717.799225062849
2010	9476.37646338688
2011	10901.52651773723
2012	11742.747860778056
2013	12522.404368095406
2014	13384.503463259598
2015	13705.5932346113
2016	14001.342180621386
2017	14476.84884390464
2018	15767.288375347143
2019	17100.09478736946