Year	current US$
2005	-65535910.389763206
2006	-71088484.00577202
2007	-68073961.24654537
2008	-64171570.18123632
2009	-59039066.446344666
2010	-45852316.47958918
2011	-36200583.80883251
2012	-33028262.49527278
2013	-29107223.880638458
2014	-18327057.217369128
2015	5747475.549627908
2016	20871425.27007997
2017	15501844.28024298
2018	21842331.352234006
2019	1269323.608398974
2020	-16809328.857421994
2021	-23995622.863768995
2022	6842281.280517995