2000

8.2

1986

7.5

1990

7.4

1987

10.0

1965

7.4

2022

8.0

1961

6.9

2010

6.2

2017

6.5

10.0

1993

6.9

1951

7.1

1979

6.0

2004

6.3

2001

0.0

1994

6.2

1976

7.3

1982

6.8

1985

6.5

1967

6.4