2006

4.2

2019

5.2

2018

0.0

2011

8.0

2004

3.4

2006

6.6

1997

5.3

2008

6.8

1991

6.2

2022

7.3

1995

7.0

2012

5.0

2010

5.5

1961

6.0

2000

6.9

1978

7.5

1984

7.1

1990

6.5