| 20-F | 2020-12-31 | Filed 2021-04-29 |
| 20-F | 2019-12-31 | Filed 2020-04-29 |
| 20-F | 2018-12-31 | Filed 2019-04-30 |
| 20-F | 2017-12-31 | Filed 2018-04-27 |
| 20-F | 2016-12-31 | Filed 2017-04-28 |
| 20-F | 2015-12-31 | Filed 2016-04-29 |
| 20-F | 2013-12-31 | Filed 2014-04-30 |
| 20-F | 2012-12-31 | Filed 2013-04-26 |
| 20-F | 2011-12-31 | Filed 2012-04-30 |
| 20-F | 2010-12-31 | Filed 2011-05-03 |
| 20-F | 2009-12-31 | Filed 2010-06-09 |
| Balance Sheet | Income Statement | Cash Flow |
|---|---|---|