Blackberry Limited: chart of active subscribers by year (2002-2015)

Reference 1: Sales ($ millions), Operating Income ($ millions), Net Income ($ millions) and Active BlackBerry Subscribers.

Reference 2: 2002[85], 2003[85], 2004[85], 2005[85], 2006[85], 2007[85], 2008[85], 2009[85], 2010[85], 2011[85], 2012[86], 2013[86][87], 2014[86][87] and 2015[86][87].

Source: http://en.wikipedia.org/wiki/Research_In_Motion