1987

6.5

2002

6.9

2003

7.4

1997

7.7

1932

7.4

2003

5.9

1968

7.3

1970

7.1

2005

6.3

1995

7.2

2004

6.1

1990

7.0

1960

8.2

2002

7.0

1955

7.3

2024

10.0

2007

6.8

1972

5.0

1923

7.7

1965

6.7