1984

7.3

2001

6.5

1984

6.8

1994

5.9

2001

7.3

1999

6.3

1983

6.0

1988

4.3

1988

5.4

1942

6.3

1951

6.9

1969

5.9

1968

6.5

1955

4.1

2003

6.3

1986

6.8

1967

7.3

2008

6.6

1962

6.5

2007

7.2