Year Number of Firms 1992-01-01 8 1997-01-01 2 2002-01-01 13 2003-01-01 21 2004-01-01 19 2005-01-01 21 2006-01-01 20 2007-01-01 23 2008-01-01 26 2009-01-01 32 2010-01-01 43 2011-01-01 38 2012-01-01 34 2013-01-01 56 2014-01-01 40 2015-01-01 54 2016-01-01 52