2006

5.4

2008

6.4

1991

7.3

1994

6.1

2007

5.5

2016

0.5

1966

8.0

1975

7.4

2004

0.0

1998

6.5

2007

6.3

2006

6.6

2007

3.7

2014

3.9

2000

6.7

1990

7.7

1994

5.6

1993

7.1

2023

0.0

2007

7.0