The number could even be higher, given that some military personnel are reportedly disappearing into thin air.
Here's part of the report obtained from Cameroon-Info.Net.
Ã‚Â DECEMBER 2017
Political standoff between govt and minority Anglophones worsened as secessionist insurgency gained momentum. In Manyu division, South West region secessionists clashed with security forces nine times in several places 4-25 Dec killing six gendarmes and one soldier, raising to seventeen the number of security forces personnel killed in English-speaking regions since start of Nov 2017. Commander of armed forces in South West region said several soldiers deserted and joined separatist militias. Elite army unit 14 Dec launched operation to recapture villages reportedly under separatist control. Separately armed forces reportedly killed or arrested and beat several civilians and torched dozens of houses in Kembong and Babong in Manyu division 20-23 Dec in retaliation for killing of security forces; allegedly pro-secession inhabitants of these two villages fled to Nigeria. 10,000 Cameroonian refugees reportedly arrived in Benue state in Nigeria during Dec, adding to 28,000 already in Cross River state. Boko Haram (BH) continued attacks in Far North, but at low ebb: insurgents killed two people and kidnapped one in Tchebe-Tchebe, Mayo Moskota area 1 Dec; kidnapped lorry driver on Maroua-Kousseri road between Dabanga and Tilde 11 Dec; double suicide bombing killed five in Amchide and Waballa 12 Dec; and fighters kidnapped farmer in Tolkomari, Kolofata area 14 Dec; killed one person in Goldavi 16 Dec, two in Zeneme 22 Dec and one in Goulkidaye 28 Dec all in Mayo Moskota area. Two suicide bombers detonated their explosives in Kordo, Kolofata area 29 Dec and suicide bombing in Bia, Kolofata area 31 Dec killed two people. Over 80 BH members surrendered in Dec, put in reinsertion programs in villages or military camps."