Year constant 2011 international $ 1990 160558151144.525 1991 165407483322.482 1992 168563723444.702 1993 167807983254.137 1994 171826880175.775 1995 174534948733.877 1996 178386032252.998 1997 181573716262.597 1998 186513345158.391 1999 189639267701.635 2000 195145150428.178 2001 197123982832.447 2002 197907902838.227 2003 198930934024.615 2004 202034446656.328 2005 204519379835.496 2006 207527033446.665 2007 211373291851.227 2008 214956420636.187 2009 216016015442.465 2010 221861586117.002 2011 222625026257.075 2012 223925983808.144 2013 225597081271.267 2014 227055873810.752 2015 229123917208.982 2016 233112355499.938 2017 235692825830.416 2018 238109242382.846