1966

7.3

2017

6.0

2009

5.1

1971

8.1

1997

2.3

1974

6.4

1987

0.0

1988

7.0

2020

5.1

1993

4.5

1979

4.2

2005

4.9

1966

3.2

2005

5.9

1973

7.0

2013

5.0

1975

5.2

1979

6.0

1994

7.2

1961

5.6

1984

6.1

1995

4.5

2015

5.6

1975

7.0

1984

7.2

1978

7.2

1980

5.5

1970

7.5

1991

0.0