2012

7.3

1975

4.5

2003

6.1

5.0

6.4

2014

5.3

6.0

2021

6.3

2000

5.1

2005

9.9

2017

7.6

2013

6.1

2015

6.4

2009

4.8

2004

4.7

7.0

1967

6.2

2021

5.5

2003

5.1

2018

6.7