2006

8.2

2010

7.9

2000

7.6

1996

8.7

2007

7.6

2001

7.2

2004

7.4

2001

6.6

1990

7.4

2005

7.0

2022

7.3

1984

0.0

2019

7.3

2020

8.7

2018

9.5

1991

7.7

1996

6.9

2014

8.4

2002

8.6

2005

7.9