Year	constant 2011 international $
1993	14254.7172764667
1994	14671.3234700836
1995	14828.8938693291
1996	14779.7980270597
1997	15056.8947859265
1998	15701.6365783697
1999	16222.1843470877
2000	17090.5789196103
2001	17768.2658216825
2002	18584.8731599576
2003	19470.9667244009
2004	20315.475448976
2005	21234.8013001443
2006	22164.5589750437
2007	21944.3999254994
2008	22296.7052731694
2009	21194.5206025499
2010	21358.5540030649
2011	21784.161514266
2012	21691.9784996889
2013	22514.5883972168
2014	23154.2086759303
2015	23965.2461702265
2016	25081.2556615993
2017	25774.2266410215