| 2018 |
| Jan. 1 | Jan. 15
March 1 | March 15
|
| 2017 |
| Jan 1. |Jan. 15 |
| Feb. 1, 2017 | Feb. 15, 2017 |
| March 1, 2017 | March 15, 2017 |
| April 1, 2017 |
| May 15, 2017 |
| Oct. 15, 2017 |
| 2018 |
| Jan. 1 | Jan. 15
March 1 | March 15
|
| 2017 |
| Jan 1. |Jan. 15 |
| Feb. 1, 2017 | Feb. 15, 2017 |
| March 1, 2017 | March 15, 2017 |
| April 1, 2017 |
| May 15, 2017 |
| Oct. 15, 2017 |