1990

2.0

1989

0.0

1995

0.0

1979

6.3

1986

9.2

1984

6.2

1979

5.2

1999

6.0

1986

0.0

1988

0.0

1985

4.0

2005

6.1

1996

7.6

1999

6.3

1980

3.5

1975

9.0

1969

0.0

2019

6.9

1982

2.5

1998

6.0

1957

6.8

2004

1.0

2003

0.0