Annual performance: start of contract 01.09.2014

Hello, could someone please clarify to me how to calculate the driving performance if the start of the contract is not at the beginning of the year? I have the following case: I insured the car with annual driving performance of 19,000 km at Europe from 01.09.2014. The mileage at the beginning was 163,000 km. If I understand correctly, I have the following limit, which I cannot/can not exceed (at least not inform without insurer): – until 31.08.2015 -> 182,000 km – until 31.08.2 016 -> 201,000 km Do I see this right, or does the insurer see it differently, i.e.: – until 31.12.2016 -> 201,000 km? Thanks for the help and sorry for the mistakes, I am not from Germany. VG, Jacek