1995

3.3

1999

3.6

1967

7.3

1979

6.9

1995

7.7

1979

7.7

1974

6.6

1993

7.4

1968

7.1

2005

7.5

1959

7.8

2005

7.4

2025

0.0

2005

6.1

2021

0.0

1999

8.0

2012

0.0

1997

7.0

1989

6.4

2006

6.2