Year	constant 2015 US$
2002	26358.624988086125
2003	28373.601318510944
2004	33474.526164161114
2005	34740.59555268053
2006	37257.354335706026
2007	46508.92560320019
2008	42306.81086384836
2009	43682.42417197562
2010	52776.94965721368
2011	60889.840594169924
2012	65794.27807552005
2013	75017.08748419773
2014	77647.40703515848
2015	65413.82431121591
2016	64549.52643549482
2017	68962.22346407693
2018	72551.09904194038
2019	70484.15158776726
2020	41810.53958606907
2021	41552.17672868522
2022	38187.6182230869