In particular a series of initiatives were introduced, including segmented tariff policies (by terminal and duration of stay), the adoption of promotions related to particular events (vacation and holiday rates) and/or booking and purchase times (advance purchasing rates) and the development of online and offline sales channels. 2011 6.51 6.22 2013 0 2 4 6 8 10 6.41 2012 2011 5.15 5.02 2013 0 2 4 6 8 10 5.05 2012 2011 5.32 5.41 2013 0 2 4 6 8 10 5.25 In 2013 extraordinary income of Euro 7.3 million was recorded for the compensation to SEA by the Milan Municipality and Società di progetto Consortile per Azioni M4 for the non-availability of 1,200 parking spaces and the re-design of the ground floor layout in the area of the underground pedestrian connection with the metro station.