2003

4.0

1985

5.8

2005

3.8

2005

7.4

2007

6.3

1998

6.6

1987

5.7

1986

5.8

2023

6.2

2007

7.5

2009

6.8

1973

6.6

1973

6.7

1982

6.3

1973

5.6

2016

10.0

1980

5.0

1985

6.2

2004

7.9

2007

6.6