2007

7.8

1976

7.2

2006

5.9

2021

5.8

1992

7.4

2006

6.1

2004

5.6

1993

4.6

1983

6.1

2014

4.7

2017

0.0

2010

3.7

2013

7.0

2004

6.8

2021

0.0

1999

6.4

2021

7.0

1941

7.1

1990

6.5

2008

6.2