Year	current international $
2000	948.148483160248
2001	1484.57472282299
2002	1442.01888913096
2003	1486.71876562367
2004	1390.90035348316
2005	1304.69912621222
2006	1242.41241895301
2007	1347.11444528131
2008	1357.59298839488
2009	1769.19379225103
2010	1696.03617911148
2011	1552.20443895778
2012	1588.2589586021
2013	1576.94653334101
2014	1696.19886828525
2015	1657.71408932067
2016	1763.00250235126
2017	1994.45492291354
2018	2294.08129387671
2019	2329.65105169615
2020	2627.0113107986
2021	2609.00311918729