1969

0.0

1984

7.0

1985

0.0

2008

5.7

1972

6.1

1975

6.7

2005

5.0

1978

6.3

1988

6.3

1994

5.8

1996

5.7

2004

4.7

1971

7.1

1988

6.2

1992

7.0

1989

6.6

2022

7.3

1974

6.8

2006

6.5

1989

6.1