Year	current US$
1977	-407034.058131147
1978	11078817.09785866
1979	-9872056.084711343
1980	473306.5629563637
1981	4784135.165979479
1982	2130209.007313078
1983	8922338.069509821
1984	1144278.2291825707
1985	25808938.094013326
1986	-955802.359061138
1987	-2695179.56354342
1988	8359962.69630204
1989	15961967.183806712
1990	12899207.517058725
1991	6490447.208437565
1992	3762866.8369671186
1993	9192598.856786087
1994	-1948830.7786215122
1995	11880233.796429923
1996	5835179.005991624
1997	21020462.248959675
1998	26725913.31723682
1999	0
2000	0
2001	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2009	5838907.936418239
2010	15155794.187443508
2011	7193654.926433674
2012	1615884.3571147677
2013	19714532.117157474
2014	15819511.985776493
2015	20902834.030188628
2016	28941676.497614693
2017	28250769.495058827
2018	213258861.75693282
2019	257934625.30461088
2020	179186127.8837035
2021	242617625.07547486
2022	223832484.97164458
2023	233901883.6023321