Year	current US$
2006	148826000
2007	160032444.44444445
2008	197141888.88888887
2009	172118518.5185185
2010	170762962.96296296
2011	171444444.44444445
2012	171162962.96296296
2013	198207407.40740737
2014	220392592.59259257
2015	234899999.99999997
2016	246062962.96296296
2017	253096296.29629627
2018	268974074.07407403
2019	275018592.5925926
2020	224074148.14814812
2021	237477888.88888887
2022	317677851.8518518
2023	411274074.07407403