Year constant 2015 US$ 2007 374409984079.85724 2008 415930703863.128 2009 423668654898.16614 2010 442033557413.3332 2011 258847297897.90503 2012 226465687904.3802 2013 229714391612.6865 2014 253663014085.87674 2015 259486343730.31976 2016 250771466872.93906 2017 269851638266.879 2018 279481151821.6879 2019 285934804433.7035 2020 263756696577.6637 2021 266642737038.97495