1966

7.1

2003

7.3

2002

9.0

2005

6.9

1977

6.5

5.7

2022

6.7

2006

5.1

2011

5.2

1963

7.6

1981

5.8

1953

5.4

1962

7.3

1973

7.2

1937

7.0

1996

7.1

1977

5.8

1929

5.2

1959

7.1

1962

7.8