1935

7.4

1963

7.7

1988

7.6

2016

6.7

1997

6.1

1965

7.9

2019

5.0

2019

5.9

1989

5.1

1953

7.4

2007

7.9

2012

9.7

2025

7.8

1985

5.8

1993

7.1

1960

7.7

1980

6.7

2025

7.0

1938

6.5