Year	current US$
2008	1349.233616621932
2009	1406.6575137200603
2010	1470.0446140765544
2011	1538.7733819461175
2012	1721.2843722554721
2013	1882.8674119890104
2014	2030.2302485900084
2015	2007.29433720502
2016	1907.8835285490802
2017	1789.7592177889978
2018	1828.0039809045961
2019	1848.3292093691832
2020	1781.0196136770178
2021	1854.7129194847184
2022	1925.7905431771976
2023	1831.0671176882472