1979

5.8

1984

0.0

1999

6.1

1986

5.7

1994

5.4

2000

5.2

1997

4.9

1978

7.0

1980

5.0

1982

4.9

1981

4.7

1978

6.2

1988

7.3

2003

5.5

1976

5.7

1995

7.3

1988

2.5

1987

5.8

1999

6.0

1991

3.9

1985

6.5

1990

5.4

1992

4.4

1999

3.2

1989

4.7

1987

7.3

2023

7.7

2002

0.0

1998

2.0

1990

7.3