2003

7.2

0.0

1999

8.2

2003

7.1

2003

6.7

2003

8.0

2002

7.5

2000

7.4

2013

2.2

2005

7.7

2025

10.0

2003

0.0

2006

6.8

1991

6.2

1990

6.7

1993

5.5

1981

7.0

2007

6.1

1983

5.3

2017

6.0