2013

8.0

6.8

2012

7.2

2010

9.1

2015

9.0

2012

6.8

2006

6.4

1979

6.0

1982

8.0

2008

6.5

1993

6.6

1991

6.1

2017

7.3

2024

4.5

2023

6.8

2007

10.0

2012

5.7

1997

4.7

1973

7.2