| Date | Type | Link |
|---|---|---|
| 2013-05-01 | HTML | download report |
| 2014-05-01 | HTML | download report |
| 2015-05-01 | HTML | download report |
| 2016-05-01 | HTML | download report |
| 2017-05-01 | HTML | download report |
| 2018-05-01 | HTML | download report |
| 2019-05-02 | HTML | download report |
| 2020-05-01 | HTML | download report |
| 2021-05-01 | HTML | download report |
| 2022-05-01 | HTML | download report |