1931

5.8

2017

6.9

1963

5.9

2009

7.4

1971

7.4

1970

6.0

1985

6.5

1990

6.4

2010

6.8

1983

7.2

2020

5.5

2017

10.0

2001

8.0

2006

4.6

2014

5.0

5.6

2020

9.8

9.4

2010

7.1

2022

10.0