1994

7.2

1982

6.3

2002

8.2

2009

7.5

2009

6.2

2011

8.1

2009

8.0

2010

7.9

2008

7.6

2018

7.7

1996

5.4

2020

6.0

2022

2.4

2003

0.0

1988

0.0

1988

7.5

2018

6.0

2014

7.7

2020

6.6

1999

7.9