Year current US$ 1996 29999.999329447703 2000 389999.98569488496 2002 39999.9991059303 2003 59999.9986588955 2004 29999.999329447703 2005 19999.9995529652 2006 19999.9995529652 2007 109999.999403954 2018 50000.0007450581 2019 1350000.02384186 2020 1730000.01907349 2021 589999.973773956 2022 540000.021457672