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