1960

7.5

2002

5.3

2001

5.0

1992

5.5

1998

2.6

1994

0.0

1995

4.8

1984

6.0

1994

6.0

1987

4.8

1987

0.0

2001

4.9

1968

6.5

1994

6.8

1994

6.9

2018

7.0

1962

7.6

1995

5.8

1998

5.3

1986

6.5

1992

0.0

1964

7.2

1992

6.6

1997

7.7

1983

5.7

2003

0.0

1971

4.7

1982

5.2

1980

7.2

1983

6.9

2000

2.5

1981

7.2

1989

4.0

2000

6.9

1997

6.5

1961

5.0

2003

3.7

1999

6.5

1996

6.8

1982

6.0

1999

4.8

1995

6.1

1988

1.0

1993

6.4

1983

7.1