Year	current US$
2006	268363142.9825375
2007	253108543.74014494
2008	258884457.98796633
2009	209031566.89426756
2010	208335214.65385023
2011	232088172.27351108
2012	241204811.3762711
2013	243948751.750327
2014	247778859.66320187
2015	243784040.56660387
2016	267766556.0986692
2017	272965824.9079908
2018	335122269.6050784
2019	339325937.9117516
2020	262448142.97790194
2021	359695825.6120673
2022	391535961.68313396