1993

5.6

2021

5.4

2007

7.4

2010

6.8

2011

7.5

2006

6.4

2014

7.0

2015

6.2

2022

7.6

2012

6.4

2021

7.2

2015

6.4

1972

4.9

2011

7.2

2011

7.5

2017

6.9

2022

6.9

2009

5.5

2013

7.6

2003

7.6