Year Number of Firms 1992-01-01 23 1997-01-01 28 2002-01-01 30 2003-01-01 31 2004-01-01 38 2005-01-01 49 2006-01-01 47 2007-01-01 53 2008-01-01 67 2009-01-01 62 2010-01-01 68 2011-01-01 86 2012-01-01 85 2013-01-01 90 2014-01-01 98 2015-01-01 111 2016-01-01 93