1996

7.5

2013

0.0

2000

7.6

2002

7.7

1993

6.4

2016

6.4

2007

0.0

2010

7.9

2006

7.1

2014

8.3

2003

0.0

1993

7.2

2004

5.2

2018

4.8

1968

7.4

2024

0.0

2010

7.6

2016

5.3