1993

6.6

1977

6.0

1976

0.0

1979

0.0

1964

4.3

1989

0.0

1991

7.5

2021

5.5

1972

3.8

1996

3.0

2019

9.0

2008

7.6

1998

0.0

2007

6.1

1998

6.9

1978

5.0

2013

7.8

1989

5.0

1986

6.3

2016

6.1

1975

6.7

2001

6.3

2011

6.5

1985

7.0