Year	constant 2015 US$
2007	1254.5126938411945
2008	1288.7747454780122
2009	1215.479261184916
2010	1247.1789513959907
2011	1215.4059250726534
2012	1239.6764894686698
2013	1233.9864126711473
2014	1211.43430496571
2015	1245.7293412450097
2016	1290.250919411802
2017	1229.0942732353674
2018	1264.2897939490742
2019	1224.6565182968047
2020	1139.1610082063505
2021	1090.2420009160485
2022	1128.5524203386396