2002

7.1

2013

6.9

1991

6.4

2016

7.1

2008

6.5

2023

4.0

2005

7.0

2010

5.9

2018

7.2

2014

7.2

2007

6.5

1968

6.0

2014

7.0

1962

6.0

2018

5.8

2009

6.1

2016

6.7

2019

6.6

2017

6.8

1961

8.2