Year	current US$
2011	46610000.476241104
2012	38872259.99869407
2013	51979947.800398774
2014	44092819.39268112
2015	67341230.91399673
2016	50609100.859612234
2017	67100310.33307312
2018	76819898.54574203
2019	81782094.57546474
2020	47785492.15942622
2021	102665499.78405236
2022	70948134.57131386