1984

6.9

2007

5.3

1996

6.4

2005

6.0

1977

7.4

2016

6.5

1994

7.3

1995

6.1

2007

6.3

2006

6.4

1973

4.2

1974

7.3

1977

5.5

2003

3.9

2004

5.9

1979

0.0

1976

4.9

2016

3.9

1972

6.2

1984

8.1