2009

7.5

2015

7.4

2011

7.3

2021

7.4

2009

7.3

2022

5.1

2021

8.2

1967

5.4

1988

5.5

2017

6.3

2010

6.1

2022

6.8

6.4

2006

7.1

2013

7.6

2006

6.7

1989

5.8

1999

5.9

2008

7.3

2015

6.4