Year	current US$
2012	10105496.6934025
2013	12711931.5806776
2014	11191929.8395514
2015	14021179.802715799
2016	12667489.9198115
2017	13491449.8031139
2018	12399543.1810617
2019	16932669.728994403
2020	13469048.1573343
2021	14203899.9311626
2022	11164635.479450228
