| PTC Series A | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A1(a) | -- | -- | Withdrawn | -- |
| PTC Series A1(b) | -- | -- | Withdrawn | -- |
| PTC Series A1 | -- | -- | Withdrawn | -- |
| PTC Series A2 | -- | -- | Withdrawn | -- |
| PTC Series A1(a) | -- | -- | Withdrawn | -- |