2004

5.0

2004

5.0

1997

6.7

1981

8.3

1989

6.2

1999

7.6

2006

7.7

1971

7.3

1999

6.7

1993

5.9

1994

7.1

2004

6.9

1997

6.5

1985

7.7

2002

8.4

2004

9.0

2001

5.0

1964

6.1

2002

10.0

2002

4.5