BERLIN (Reuters) - German annual inflation rose slightly in November but remained well below the European Central Bank's target level for the seventh month in a row, data showed on Thursday.German consumer prices, harmonised to make them comparable with inflation data from other European Union countries, rose by 1.2% year-on-year after posting a 0.9% increase in the previous month, the Federal Statistics Office said.The reading was the highest rate since June and matched a Reuters forecast.It..