There is a network of rail services within Birmingham and the West Midlands county, operated by West Midlands Trains and supported by Transport for West Midlands (TfWM) (formerly called Centro). During 2014/15, there were nearly 51 million rail passenger journeys in the TfWM area. Birmingham has the highest proportion of rail commuters in England outside London. In the past few decades the proportion of journeys into central Birmingham by rail has grown sharply: 27% of journeys into Birmingham city centre in the peak hours were made by rail in 2012, compared to 17% in 2001, and 12% in 1991.