1989

4.5

1985

3.8

1993

6.3

2006

5.5

2016

2.0

2003

6.2

1995

2.0

2008

5.5

1994

5.5

1976

0.0

2003

4.5

1974

6.0

1971

5.2

2000

6.2

2000

5.7

1896

4.1

1993

5.5

1982

5.2

1970

5.5

1970

5.0