... and penetration in Sudan 12, 00010,0008,0006,0004,000 2, 000030% 25 % 20 %15%10% 5% 0% 20 02 2003 20 04 20 05 20 06 20 07 20 08PenetrationCustomers (thousands)Wireless intelligence and Deloitte ... servicesAirtime and SIM distributors and retailersTotal FTEs 2, 7403901,450 12, 210 23 0 2, 44016,98036,440 2, 7404701,74014,660 28 0 2, 930 20 ,38043 ,20 0Operator data, interviews and Deloitte analysis ... per minute (SDG)Customer surplus SDGs (million)1 ,20 01,000800600400 20 000.400.350 .25 0 .20 0.150.100.050.00 20 04 20 05 20 06 20 07 20 08Price per minuteCustomer surplusDeloitte methodology41Figure...