With regard to the Electronic National Traffic Information System (e-Natis), (a)(i) what percentage of the data is (aa) usable and (bb) not usable and (ii) what are the reasons for this situation, (b)(i) what is being done to rectify the current situation and (ii) by what date will the rectification be done and (c)(i) what monitoring and evaluation mechanisms are in place and (ii) what are the costs involved in this regard?