2006

7.8

1972

4.0

2014

6.6

2001

6.9

2010

7.9

2013

8.1

2000

6.4

2011

7.0

2010

7.0

2008

6.8

1944

7.0

2021

9.3

1990

6.2

2015

5.6

1997

7.3

2009

6.0

2016

6.2

1998

6.2

2015

7.2

2013

8.2