| First release | August | November | May | October | April |
| | 2013 | 2013 | 2014 | 2014 | 2015 |
+----------------------------+-----------+-----------+-----------+-----------+-----------+
-| Estimated End of Life | March | | January | | November |
+| Estimated retirement | March | | January | | November |
| | 2015 | | 2016 | | 2016 |
+----------------------------+-----------+-----------+-----------+-----------+-----------+
-| Actual End of Life | May | May | | April | |
+| Actual retirement | May | May | | April | |
| | 2015 | 2014 | | 2015 | |
+----------------------------+-----------+-----------+-----------+-----------+-----------+