0
30
60
90
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
Jul 2009
CSCO: 18.5
-160000000.0000002
-80000000.0000001
0
80000000.0000001
160000000.0000002
240000000.0000003
320000000.0000004
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
Jul 2009
CHO(3,10): -29509229.4
1990
1994
1998
2002
2006
1992
1996
2000
2004
2008
2008
2006