2006

5.7

1973

8.7

2011

6.0

1985

7.5

2002

6.7

2018

7.0

1990

7.6

1973

7.0

2016

7.1

2012

6.1

2003

7.6

2006

8.6

2015

7.3

2013

8.1

2007

7.1

1984

7.8

2017

6.6

2008

7.7

2011

6.3

2015

5.3