2010

4.4

2005

6.5

5.8

2000

6.3

2024

7.3

2009

4.8

2007

6.4

2014

7.2

2016

5.8

2021

9.2

2016

6.9

2016

5.7

1964

7.4

1968

6.9

2006

7.0

1966

6.4

2011

4.7

2015

6.2

2023

10.0

2012

6.2