2003

8.2

2014

0.0

1999

6.8

1985

7.7

1991

7.1

1994

7.4

2010

1.0

2001

7.5

1979

6.0

1978

4.8

2014

3.0

2000

5.0

2005

6.2

2007

5.6

2005

7.2

2016

5.7

1986

6.7

1975

5.2

1997

6.5

2014

4.7