Year	BoP, current US$
1987	4000000
1988	47700000
1989	500000
1990	6600000
1997	25300000
1998	9900000
2003	7000000
2004	8000000
2006	1804300000
2007	1171000000
2009	99800000
2014	43362963.01
2015	46583389.975
2016	30907024.275
2017	3252010.26139171
2018	6751211.25069936
2019	1923557.2234984
2020	11942949.6190995
2021	3442684.4978169
2022	3935681.75120045
2023	3964225.26001901