2007

7.3

2007

6.4

1977

6.2

2003

6.1

2005

6.0

2000

5.3

2005

7.1

1972

7.1

2021

6.8

1982

5.3

1980

6.5

2008

5.0

1980

6.3

2012

0.0

1986

6.7

1999

5.6

2000

5.5

2017

3.6

2006

6.4

1988

5.4