2011

7.0

2001

8.6

1996

7.5

1999

8.2

2011

8.3

2006

8.1

2014

7.8

2009

5.9

1998

7.1

2013

6.6

2016

7.4

2008

8.9

2003

5.7

1999

7.3

2021

7.2

2023

9.7

1998

7.9

2005

7.7

1964

7.4

1993

7.7