| Series A1 PTC | -- | -- | Withdrawn | -- |
| Series A1 PTC | -- | -- | Withdrawn | -- |
| Series A PTC | -- | -- | Withdrawn | -- |
| Series A1(a) | -- | -- | Withdrawn | -- |
| Series A1(b) | -- | -- | Withdrawn | -- |
| Series A1 PTC | -- | -- | Withdrawn | -- |
| Series A PTC | -- | -- | Withdrawn | -- |
| Series A1 PTC | -- | -- | Withdrawn | -- |
| Series A2 PTC | -- | -- | Withdrawn | -- |
| PTC Series A | -- | -- | Withdrawn | -- |