1967

6.2

1967

6.0

1973

0.0

1974

7.4

1993

0.0

2009

0.0

1995

2.8

1987

7.0

1986

7.5

1957

8.2

2001

5.4

2008

5.8

1993

7.1

1985

2.7

1971

6.4

2017

3.2

2006

6.7

1998

6.0

1997

6.1

1978

7.2