2006

6.4

2010

7.4

2009

5.5

2003

6.6

1971

6.8

2004

4.8

2004

5.2

2022

7.6

1972

6.4

1969

5.1

1973

7.5

1999

6.3

1986

7.1

2020

5.8

2007

5.4

2012

7.3

2011

7.4

2006

7.0

1989

9.3

2011

7.4