.

DateWeightWeek ChangeTotal Change

.

4/18/20073090.000.00

.

4/25/2007301.4-7.60-7.60

.

5/2/2007301-0.40-8.00

.

5/9/2007292.6-8.40-16.40

.

5/16/2007291-1.60-18.00

.

5/23/2007286.8-4.20-22.20

.

5/30/2007281.2-5.60-27.80

.

6/6/2007279.2-2.00-29.80

.

6/13/2007275.8-3.40-33.20

.

6/26/2007271.2-4.60-37.80

.

7/11/2007269.6-1.60-39.40

.

7/18/2007267.8-1.80-41.20

.

7/25/2007262-5.80-47.00

.

8/8/2007259.8-2.20-49.20

.

8/22/2007253.6-6.20-55.40

.

9/12/2007246.4-7.20-62.60

.

9/19/2007244.8-1.60-64.20

.

9/26/2007243.8-1.00-65.20

.

10/3/2007244.20.40-64.80

.

10/17/2007238-6.20-71.00

.

10/24/2007236-2.00-73.00

.

10/31/2007235.8-0.20-73.20

.

11/7/2007235.2-0.60-73.80

.

11/15/2007234.1-1.10-74.90

.

11/21/2007235.61.50-73.40

.

11/29/2007237.11.50-71.90

.

12/5/2007236.6-0.50-72.40

.

12/12/2007236.60.00-72.40

.

12/19/20072370.40-72.00

.

12/26/2007240.83.80-68.20

.

1/2/2008241.91.10-67.10

.

1/10/2008241.2-0.70-67.80

.

1/16/2008242.71.50-66.30

.

1/23/2008243.20.50-65.80

.

1/31/20082440.80-65.00

.

2/6/2008245.71.70-63.30

.

2/13/2007244.9-0.80-64.10

.

3/23/2009285.840.90-23.20

.

3/30/2009283.4-2.40-25.60

.

4/6/2009279.7-3.70-29.30

.

4/13/2009280.50.80-28.50

.

4/20/2009281.30.80-27.70

.

4/27/2009282.51.20-26.50

.

5/4/2009281.1-1.40-27.90

.

5/11/2009279.2-1.90-29.80

.

5/19/2009278.5-0.70-30.50