2006

9.3

2011

8.4

2010

5.7

1994

8.5

2010

8.2

2013

7.3

2007

6.9

2008

7.9

2014

7.7

1959

7.6

2019

8.7

2022

7.7

2010

8.0

2024

8.2

2018

8.0

2018

7.6

2005

7.4

1999

7.4

1995

7.7

1996

8.0