2008

6.6

1987

5.5

1975

3.6

1994

5.8

2019

10.0

1979

6.0

2020

7.1

2017

6.2

2015

6.7

2021

4.3

2012

9.1

2013

5.3

2013

5.8

1962

5.1

1961

5.7

1988

6.2

2012

7.1

1965

5.5

2016

7.7

2014

0.0