1995

7.3

1959

7.3

1987

6.5

1997

7.0

1990

8.5

2001

7.2

1996

2.7

1977

5.0

1976

0.0

1972

0.0

2001

7.0

1969

7.0

1956

7.2

2002

6.4

1934

6.1

1966

5.6

2004

6.1

1988

6.3

2003

6.0

1979

7.5