2008

6.6

1975

3.6

2019

10.0

1994

5.8

1987

5.5

1979

6.0

2015

6.7

2016

6.0

2020

7.1

2012

9.1

2017

6.2

2021

4.3

2006

4.9

1961

5.3

2013

5.3

2013

5.8

2018

7.0

1962

5.3

2012

7.1

1988

6.1