Year	constant 2015 US$
2000	11589572.474445555
2001	10711915.529778805
2002	9777998.524556493
2003	11533312.413889995
2004	12343457.285890073
2005	11938384.849890033
2006	11623328.51077889
2007	12320953.261667848
2008	12838545.818779008
2009	12512237.467556754
2010	13659942.702890199
2011	14368819.465890268
2012	16731742.009223828
2013	15719060.919223731
2014	14796395.92611253
2015	14323811.417445818
2016	15100200.253112558
2017	16247905.488446001
2018	16124133.355223767
2019	15730312.93133484
2020	14953924.0956681
2021	15392752.568001475
2022	15460264.640668146
2023	15640296.834445942