1986

6.1

1999

5.8

1979

6.5

2019

7.6

2004

6.5

2013

7.0

2004

8.6

2005

8.2

1999

6.5

1998

7.0

1977

5.0

1972

7.9

2002

0.0

2002

8.0

1982

5.6

2002

7.5

1992

6.0

2013

8.0

2016

10.0

1983

0.0