2006

6.6

2003

4.8

1972

8.7

2019

8.1

1985

8.3

2007

7.8

1994

8.5

1997

7.9

2011

6.9

2010

7.7

1994

8.7

2015

7.6

2005

7.7

2016

7.6

2004

7.4

2006

8.2

2009

8.2

1999

8.2

2012

7.8

2001

7.9