1998

8.3

1998

6.6

1999

7.7

2006

5.8

2002

6.3

2007

6.1

1996

6.9

2002

5.8

2006

6.4

2016

6.5

2005

7.4

1998

7.3

2000

7.1

2005

6.2

2003

6.7

2003

6.5

2003

7.1

2006

7.2

2024

7.9

2020

7.8