2013

6.1

1982

5.8

2013

6.4

2020

5.5

6.1

2008

5.7

2016

10.0

2008

5.4

1968

6.9

2014

6.5

2021

7.5

1996

5.7

2011

7.5

1988

5.3

1958

7.2

2015

7.6

2012

6.5

2011

6.4