1965

5.5

2006

5.9

1988

7.0

1953

4.8

2011

6.3

2022

4.5

2011

9.0

2006

8.0

2010

7.0

2020

5.8

1983

6.1

2014

4.5

1953

6.6

2006

5.0

2009

7.7

1992

6.5

1972

9.2

1928

6.0

2023

6.3

2015

5.8