1973

6.0

1980

7.0

1962

0.0

2006

6.0

1973

3.0

1995

7.3

2002

6.6

1981

7.2

2007

5.4

2003

5.6

2006

6.6

2008

6.8

1972

6.0

1963

4.5

1995

6.9

2017

6.4

1981

7.4

1997

6.6

1996

6.5

1986

6.3