Year Number of Firms 1992-01-01 69 1997-01-01 116 2002-01-01 126 2003-01-01 150 2004-01-01 175 2005-01-01 180 2006-01-01 195 2007-01-01 212 2008-01-01 198 2009-01-01 194 2010-01-01 229 2011-01-01 239 2012-01-01 248 2013-01-01 275 2014-01-01 254 2015-01-01 255 2016-01-01 245