2005

7.0

1997

7.4

1932

7.5

2000

7.0

1968

7.1

1975

7.8

2002

7.2

1983

5.8

2008

6.6

2003

5.8

2006

8.2

1975

3.0

1971

6.4

1997

7.6

1996

8.0

2016

6.6

1973

7.4

1992

7.5

1956

6.2

2007

7.5