Year constant 2015 US$ 1991 1429.3596670248517 1992 1306.1657383908255 1993 1365.3857922134375 1994 1324.2997140136977 1995 1414.0817634873765 1996 1329.572719460482 1997 1290.4791592206232 1998 1282.780020945035 1999 1442.2222151674925 2000 1431.185927225363 2001 1443.3064199374805 2002 1120.672585903539 2003 1355.070240854282 2004 1442.3630466001975 2005 1648.705009893099 2006 1550.6885144795308 2007 1433.9184537737372 2008 1729.6142159560247 2009 1957.7550324654653 2010 2054.409259316269 2011 1742.3743471994173 2012 1924.083473202148 2013 1982.201662661652 2014 2068.2334063224794 2015 2345.862181207892 2016 1936.5901823160273 2017 2774.30145912682 2018 3409.556622542588 2019 3218.288800943827 2020 3552.0663759474032 2021 3546.097577724568 2022 3570.5115465869058