Year Number of Firms 1992-01-01 20 1997-01-01 38 2002-01-01 30 2003-01-01 27 2004-01-01 35 2005-01-01 43 2006-01-01 51 2007-01-01 53 2008-01-01 59 2009-01-01 58 2010-01-01 62 2011-01-01 83 2012-01-01 90 2013-01-01 98 2014-01-01 101 2015-01-01 119 2016-01-01 151