2020

6.0

2000

5.2

2004

7.0

1998

6.1

1999

7.6

2013

8.3

2001

5.2

2006

7.3

2010

6.2

2012

9.4

2006

5.6

1974

7.5

2004

6.7

2013

5.8

1996

6.6

1997

5.1

1970

6.3

2007

5.3

2013

7.1