1969

0.0

1994

8.3

1997

7.6

1999

7.3

2003

6.6

1997

6.8

1940

4.0

1946

5.7

1934

5.0

2004

6.8

1959

6.4

2002

6.9

1987

5.4

1983

4.1

1985

3.0

2004

9.0

1964

6.3

1978

4.9

1992

7.7

1961

4.5