Year	constant 2010 US$
1991	64622.554159693
1992	67512.6608228504
1993	69336.098340903
1994	70946.7432933589
1995	74249.1743869264
1996	75739.5838514825
1997	77080.4350947529
1998	78801.3366699875
1999	78809.7586713146
2000	79621.6047709
2001	80968.7010483963
2002	81663.0905473722
2003	80462.8314134649
2004	81840.7837668305
2005	80157.1502471337
2006	80910.8964584163
2007	82118.0097415265
2008	81499.9978240408
2009	78398.933212567
2010	77628.8963052863
2011	79540.9639303953
2012	79651.4150197684
2013	78993.5888162479
2014	79421.0845711794
2015	79165.3937172125
2016	78495.5435478487
2017	79417.7393153094
2018	80096.7751019346