2007

5.4

1966

4.1

1972

5.2

1958

2.9

2005

4.3

1962

4.2

2007

5.4

2006

5.5

2007

4.7

2008

3.3

2017

3.9

2014

5.4

2008

5.9

2009

5.0

2012

2.0

2000

4.9

2008

6.2

1990

3.6

2019

6.0

2006

5.5