2008

7.3

0.0

2003

7.6

1990

6.3

2004

6.5

2016

6.3

2007

6.4

1993

6.9

1996

6.9

1974

7.0

2015

7.1

2006

7.1

2007

4.6

1997

6.8

2004

5.7

1997

6.2

2006

6.1

1958

7.2

1996

6.3

1991

6.7