1996

7.0

2025

8.0

2007

6.2

2006

6.2

2001

7.4

1991

5.7

2000

4.4

1989

6.0

2004

3.5

1970

5.2

2017

5.9

2008

6.8

2002

6.2

1984

4.7

1975

7.4

1992

5.0

2010

5.1

1977

4.6

1978

5.9

1973

3.4