1982

7.0

2024

7.1

2010

6.7

1982

5.5

1985

6.2

1988

9.0

2005

5.1

2000

6.9

2001

7.1

1967

7.3

1996

7.2

2017

7.6

2007

6.1

2006

6.6

2020

6.4

2010

6.6

1981

0.0

2006

6.5

1966

7.5

2007

6.4