2018

10.0

1967

7.2

1975

6.8

1960

0.0

1978

7.1

1969

7.1

1991

7.6

1999

8.1

1994

8.2

2006

7.8

1991

5.7

1989

7.9

1996

8.0

2001

7.8

1996

6.9

1961

6.8

2004

5.7

1983

7.9

1984

8.0

1984

6.4