2009

4.3

2013

6.7

2009

6.6

1969

3.0

1997

5.9

2005

6.3

1992

6.0

2011

3.1

1994

4.1

2005

6.3

2023

8.0

2017

7.2

1985

5.8

2006

6.3

1990

6.8

1999

6.5

1987

6.9

1980

5.1

2002

6.8

2001

5.1