1979

5.8

1984

0.0

1999

6.1

1986

5.6

1994

5.4

2000

5.2

1997

4.9

1978

7.0

1980

5.0

1982

5.1

1981

4.7

1978

6.1

1988

7.3

2003

5.6

1976

5.6

1995

7.3

1988

3.0

1987

5.8

1999

6.0

1991

4.3

1985

6.5

1990

5.4

1992

5.2

1999

2.8

1989

5.3

1987

7.3

2023

7.5

2002

0.0

1998

3.0

1990

7.3