1931

5.8

2010

7.9

1975

7.0

2017

7.3

1999

4.8

2024

7.2

1953

4.8

1991

5.7

2016

6.1

1990

4.7

1980

5.9

2020

7.2

1958

5.6

2015

6.6

5.6

2021

6.7

2003

6.8

2020

7.7

1990

5.5

2013

6.1