1993

6.3

2003

5.5

1975

6.9

1996

6.4

1992

5.4

1993

7.1

2014

7.9

1982

5.9

2010

7.0

2019

5.6

2015

6.5

2014

5.4

2016

10.0

1993

6.7

2022

9.0

2017

5.3

2011

7.7

2021

5.0

2021

9.3

2018

7.0