1976

5.2

1993

7.5

2014

6.4

2003

8.0

1965

6.7

1966

6.2

1971

6.0

1969

0.0

1969

0.0

1995

7.0

2020

6.8

1989

6.6

1996

6.0

1997

6.0

1993

0.0

1997

0.0

1994

0.0

1965

6.0

1997

7.7

1999

0.0