| Year | Value | | 2021 | 20,192,232,160.176 | | 2020 | 17,593,663,696.167 | | 2019 | 20,726,782,363.794 | | 2018 | 20,608,359,023.179 | | 2017 | 19,998,555,597.438 | | 2016 | 16,743,162,412.142 | | 2015 | 13,982,660,974.777 | | 2014 | 14,132,668,943.375 | | 2013 | 12,660,499,215.033 | | 2012 | 10,357,251,629.72 | | 2011 | 10,238,665,075.259 |
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