2016

6.8

2021

10.0

2009

7.2

2013

5.8

1969

7.9

2007

6.9

2003

5.2

2018

5.3

2011

7.3

2012

7.3

2007

4.9

1972

7.4

2007

6.4

1974

6.5

2012

6.2

1994

7.6

0.0

2019

7.6

2005

6.9