2008

7.0

1980

5.2

1996

6.0

1973

6.7

2007

4.7

2020

6.4

2000

1.5

1998

3.1

2001

5.8

1981

5.0

2008

5.5

2000

6.8

2002

5.6

1996

5.5

2017

0.0

1985

7.9

1968

6.4

2013

6.0

1995

6.2

2002

6.1