Year	current US$
2000	33.07365362449419
2001	34.80768048477294
2002	34.81649217127479
2003	37.80817667462281
2004	43.03853504193622
2005	50.509394214183146
2006	56.23690845316791
2007	64.9995331881032
2008	74.68437712825481
2009	74.64308258140595
2010	84.38574522847085
2011	96.82389484138243
2012	103.13417271498675
2013	109.6087246113321
2014	109.54590236429412
2015	103.27518660307412
2016	103.02240870832671
2017	109.66143579693401
2018	115.94683402975238
2019	118.67668429870388
2020	116.73430255973489
2021	132.87312523951877