1993

5.5

1968

3.5

1975

5.7

2001

2.5

2007

4.2

1977

4.9

1988

5.2

1988

6.3

1981

2.7

2000

5.3

1993

4.8

2016

4.6

1973

0.0

1973

2.5

2005

5.2

1973

6.5

1979

6.0

1970

3.0

1968

1.0

1977

2.5