Year

PSBs

PVSBs

SCBs

2013

12.8

16.5

14.5

2014

11.5

16.0

13.4

2015

11.0

15.0

13.1

2016

11.5

14.5

13.0

2017

12.2

15.4

13.6

2018

11.7

16.4

13.8