2005

6.2

2007

6.9

1992

7.5

2000

6.5

2004

6.1

2006

5.4

2001

5.9

2018

0.0

1994

5.5

1969

7.5

1953

6.9

2005

4.5

1988

5.1

1967

5.3

2004

6.4

2007

5.8

2004

5.9

0.0

2009

5.5

1962

7.9