Year constant 2015 US$ 2003 2618.712305226327 2004 2727.4670105862424 2005 2783.461522551912 2006 2841.0944763449775 2007 2765.9396934564434 2008 3100.7959038720205 2009 3103.7944249965262 2010 3435.9710892980147 2011 3518.0019923615305 2012 3482.997535963393 2013 3289.5969281303446 2014 3426.15280690842 2015 3534.830759961608 2016 3591.820305876562 2017 3717.577515086882 2018 3647.8169636822354 2019 3627.7885080706947 2020 3425.6694319668754 2021 3408.773420781833 2022 3252.569521384967