2006

5.8

2019

8.7

2003

7.9

2008

7.2

1990

6.9

2018

8.3

1993

7.9

2006

7.8

2013

8.0

2016

8.6

1990

8.3

2010

8.5

2011

8.3

2019

8.4

2002

6.4

2001

8.6

2016

7.3

2011

8.1

1990

7.6

1975

7.2