2010

7.5

1994

5.2

1957

8.1

1988

7.5

2004

7.3

2002

7.8

2014

6.8

1998

7.8

2010

7.3

2004

6.7

2011

6.9

2015

7.8

2010

5.2

2014

6.7

2005

6.3

1997

7.1

2017

6.4

1995

6.9

2010

6.3

2007

6.7