2005

4.0

0.0

2009

6.6

1997

6.1

1998

0.0

2002

6.8

2003

5.9

1982

5.7

2001

7.3

2005

5.3

2007

10.0

2007

10.0

1988

6.3

1986

6.1

2007

6.5

2008

8.5

2016

7.2

1999

3.5

1996

6.5

1964

7.1