VMI		VMIR	     Differential 
 1/6/2006		3.83%		3.83%		0.00% 
 1/13/2006		7.62%		7.62%		0.00% 
 1/20/2006		11.74%		11.74%		0.00% 
 1/27/2006		14.61%		14.61%		0.00% 
 2/3/2006		19.52%		19.43%		-0.09% 
 2/10/2006		15.14%		16.35%		1.21% 
 2/17/2006		16.43%		17.73%		1.30% 
 2/24/2006		17.32%		18.69%		1.37% 
 3/3/2006		18.65%		19.62%		0.97% 
 3/10/2006		15.37%		16.13%		0.76% 
 3/17/2006		17.22%		18.42%		1.20% 
 3/24/2006		19.78%		21.03%		1.25% 
 3/31/2006		22.13%		23.47%		1.34% 
 4/7/2006		23.33%		25.75%		2.42% 
 4/14/2006		25.61%		24.36%		-1.25% 
 4/21/2006		25.25%		27.10%		1.85% 
 4/28/2006		24.95%		29.47%		4.52% 
 5/5/2006		28.94%		32.74%		3.80% 
 5/12/2006		21.87%		27.74%		5.87% 
 5/19/2006		16.03%		22.43%		6.40% 
 5/26/2006		16.01%		25.01%		9.00% 
 6/2/2006		18.01%		26.57%		8.56% 
 6/9/2006		15.27%		22.47%		7.20% 
 6/16/2006		12.62%		19.73%		7.11% 
 6/23/2006		12.54%		21.43%		8.89% 
 6/30/2006		14.11%		23.14%		9.03% 
 7/7/2006		14.65%		25.70%		11.05% 
 7/14/2006		12.81%		20.86%		8.05% 
 7/21/2006		10.93%		20.20%		9.27% 
 7/28/2006		12.60%		21.56%		8.96% 
 8/4/2006		13.66%		23.64%		9.98% 
 8/11/2006		9.49%		19.99%		10.50% 
 8/18/2006		10.91%		17.65%		6.74% 
 8/25/2006		9.52%		16.71%		7.19% 
 9/1/2006		10.75%		18.27%		7.52% 
 9/8/2006		10.35%		18.16%		7.81% 
 9/15/2006		10.99%		17.63%		6.64% 
 9/22/2006		10.64%		17.92%		7.28% 
 9/29/2006		12.16%		21.10%		8.94% 
 10/6/2006		11.91%		21.57%		9.66% 
 10/13/2006	14.86%		25.26%		10.40% 
 10/20/2006	15.85%		26.93%		11.08% 
 10/27/2006	16.79%		28.14%		11.35% 
 11/3/2006		16.08%		27.12%		11.04% 
 11/10/2006	15.93%		27.78%		11.85% 
 11/17/2006	15.54%		26.22%		10.68% 
 11/24/2006	17.09%		27.33%		10.24% 
 12/1/2006		18.19%		27.88%		9.69% 
 12/8/2006		18.81%		31.43%		12.62% 
 12/15/2006	20.50%		34.75%		14.25% 
 12/22/2006	19.19%		36.95%		17.76% 
 12/29/2006	21.40%		40.28%		18.88%