1995

6.9

1983

6.6

2000

6.3

1986

7.6

1995

6.3

2005

7.0

2023

5.3

2014

8.2

1947

0.0

2007

6.8

2008

4.0

2004

6.0

1991

8.3

2014

7.7

1948

6.0

2014

6.1

2012

3.0

1986

6.6

2002

5.2

1970

7.5