Year	U.S. dollars (Units)
2011	1659.546
2012	1041.463
2013	1337.232
2014	1316.271
2015	1289.835
2016	237.024
2017	143.342
2018	240.320
2019	302.262
2020	393.589
2021	418.969
2022	550.861
2023	485.913
2024	421.857
2025	439.547
2026	447.720
2027	462.768
2028	491.563
2029	544.404