Year	current international $
2011	22996.430669429916
2012	20643.90335097294
2013	20944.40398894555
2014	22502.64269743681
2015	24056.90515789119
2016	25624.36790550385
2017	25895.776190856053
2018	26799.393183157255
2019	26805.80551749145
2020	16514.38074254799
2021	21253.08063216693
2022	23848.62222080695
2023	24819.558180439257