1998

7.3

1953

7.0

1980

6.1

1990

5.1

1994

6.6

1981

6.9

1963

7.2

2002

7.0

1968

7.0

1945

7.0

1935

6.4

1999

6.4

1934

6.3

1991

8.0

1978

6.0

2025

0.0

1969

6.6

2003

5.4

2006

6.9

1975

10.0