2001

6.9

1951

7.5

2006

7.0

1950

8.3

1981

7.3

1972

6.9

2004

6.9

2017

6.0

2003

6.1

2023

7.1

1963

8.1

2007

7.0

1968

6.9

1965

7.4

1971

7.8

1977

7.3

2015

5.8

2011

7.5

1931

8.3

2002

8.4