Year constant 2015 US$ 2008 2084.394672470075 2009 2002.4849371073751 2010 1904.708871996275 2011 2006.3145516459813 2012 1966.398783266199 2013 1996.4657612719943 2014 2277.0501987610296 2015 2304.5988420736194 2016 2327.6660039727085 2017 2656.37597714779 2018 2720.0324220536 2019 2355.3365838208365 2020 2363.849779062974 2021 2480.055598060705 2022 2519.3924796070155