Year	current US$
2012	1603576.0641098
2013	2309362.6499175997
2014	1523100.0185012799
2015	1711249.94754791
2016	1501649.97577667
2017	1695940.0177002
2018	2119485.61668396
2019	2499880.07545471
2020	2448479.65240479
2021	2268100.02326965
2022	2291355.8483123803