Year current international $ 2000 1159.31453347903 2001 1218.58429184165 2002 1114.74065898965 2003 1158.09211240022 2004 1117.38703170775 2005 1141.52297920373 2006 1239.08600573444 2007 1182.92585979472 2008 928.75434509169 2009 1301.33154593314 2010 1085.50237166183 2011 1310.11697957956 2012 1489.37484109467 2013 1658.60652119549 2014 2000.95710254232 2015 1933.67631521637 2016 1980.75275569477 2017 2060.55480064146 2018 1826.90708927715 2019 1972.31248568074 2020 2457.49364822578 2021 2332.20645574679