Year	constant 2015 US$
1991	899.2572625811392
1992	776.2912878970699
1993	832.0570688632797
1994	911.1592228673553
1995	862.1546941301549
1996	867.6425215726485
1997	852.8135203011472
1998	929.3282443805883
1999	978.1074714591043
2000	849.2968480044424
2001	931.3907292194782
2002	872.6166392041747
2003	980.7482003140192
2004	930.4258789664979
2005	995.0923090311146
2006	1018.6991158578177
2007	987.5492955553503
2008	1040.9180888637113
2009	1013.677513791923
2010	1049.7560427378064
2011	967.3422728444766
2012	1005.8603853520817
2013	934.24072803645
2014	1099.2945534301477
2015	1214.7186050366577
2016	1224.9379851263357
2017	1295.311162930873
2018	1347.525613515538
2019	1328.0028155208643
2020	1217.7787513423325
2021	1173.471681056312
2022	1161.6687240194115