Year	current US$
2001	2380841851.281247
2002	2670546309.2981787
2003	3090763903.752128
2004	3691307168.4519663
2005	5260376599.518115
2006	6721013980.954699
2007	6639669440.750236
2008	9014475255.548704
2009	5225992746.452538
2010	8244975014.388868
2011	11815915332.845884
2012	11982363540.38415
2013	10907091074.880936
2014	10209458684.721533
2015	7385564338.028301
2016	6431270448.24941
2017	6711309927.931021
2018	7218158199.928013
2019	7213232286.563387
2020	6111988771.789675
2021	6966206123.73905
2022	8404587730.217292