Year | PSBs | PVSBs | SCBs |
2013 | 10.5 | 4.0 | 8.0 |
2014 | 11.0 | 4.0 | 9.5 |
2015 | 13.0 | 5.0 | 10.3 |
2016 | 10.0 | 5.1 | 10.2 |
2017 | 12.5 | 4.5 | 11.0 |
2018 | 15.6 | 4.0 | 11.6 |