1984

8.1

1972

6.2

1995

6.1

1994

7.3

2007

5.8

2007

5.2

2003

3.9

1973

4.0

1974

7.3

1977

7.4

2004

5.9

2005

6.0

1996

6.3

1979

0.0

2006

6.4

1984

6.9

2003

2.1

2019

6.3

2020

4.8

1976

4.8