2010

4.6

2002

6.0

1986

6.4

2013

7.6

2021

6.2

1999

7.6

2009

5.6

2004

10.0

2003

7.0

2012

6.3

2011

8.0

8.1

2008

7.8

2016

6.9

2006

6.9

2018

7.4

2010

6.7

1990

7.5

1984

8.0

2015

7.8