1996

7.0

1999

7.3

1997

7.5

1993

8.3

1982

0.0

1999

7.6

2006

5.7

1980

7.8

1972

8.0

1985

6.5

1965

7.5

1979

7.0

1969

7.4

2006

8.1

2003

6.6

1969

8.3

2017

6.6

1968

0.0

2019

7.8

2004

0.0