1994

6.0

1985

6.6

1997

5.6

1962

5.0

1962

8.0

1962

6.9

1949

5.7

1953

6.0

1971

0.0

1934

6.5

1989

6.0

1982

4.7

1965

6.7

2006

5.1

1985

5.2

1967

7.3

1984

6.8

1997

5.2

2009

6.8

1996

5.3