2010

7.0

1990

6.1

2004

6.0

2016

5.6

2015

5.7

1971

4.7

2010

7.2

2017

6.5

2011

6.0

1984

6.9

1965

6.4

2020

6.5

1985

6.4

2005

7.2

2013

5.8

2012

5.3

1995

7.7

2020

7.0

1985

6.5

2003

5.3