Year Number of Firms 1992-01-01 21 1997-01-01 39 2002-01-01 46 2003-01-01 45 2004-01-01 56 2005-01-01 51 2006-01-01 66 2007-01-01 90 2008-01-01 94 2009-01-01 82 2010-01-01 94 2011-01-01 111 2012-01-01 104 2013-01-01 122 2014-01-01 135 2015-01-01 160 2016-01-01 136