2011

7.3

2006

5.0

2000

4.0

2005

5.8

1993

2.0

1990

7.4

1995

8.0

2004

10.0

2000

6.9

2007

7.0

1976

5.8

1987

6.2

1989

6.0

2002

6.0

2024

5.6

2002

3.3

2003

7.0

2007

5.0