1995

0.0

2021

6.5

1976

7.0

1982

7.3

1992

6.7

1966

6.6

1968

7.5

1986

7.9

1993

5.7

2005

7.0

1966

7.3

2001

6.6

1984

6.1

1969

5.5

1997

6.8

2001

6.8

1997

5.1

1996

7.8

1965

7.3

1999

8.4