- 2021-12-31
28103717810.21
- 2020-12-31
26787531577.5
- 2019-12-31
26505650840.6
- 2018-12-31
24646427835.84
- 2017-12-31
22758176658.95
- 2016-12-31
20980120619.08
- 2015-12-31
18846160038.86
- 2014-12-31
17315084511.06
- 2013-12-31
15419803804.11
- 2012-12-31
12634399124.91
- 2011-12-31
10217411951.85
- 2010-12-31
6872830208.26