1980

6.3

2011

7.1

1959

6.1

1993

6.1

1996

6.5

1923

8.5

2024

7.3

1991

6.2

1971

6.0

2017

6.6

2010

6.6

5.8

1990

7.4

1961

8.0

1989

8.4

2024

6.7

1989

6.2

1994

7.4

2000

5.1