2013

0.0

2013

8.7

2002

8.3

2005

7.0

2004

8.0

2001

6.5

2005

6.9

1995

7.6

1997

6.8

1993

7.1

1960

7.4

2002

6.0

1972

7.6

2000

6.6

2001

5.5

1967

7.7

2000

8.1

1998

9.0

1996

3.5

2005

6.0