Year Number of Firms 1992-01-01 48 1997-01-01 62 2002-01-01 99 2003-01-01 102 2004-01-01 102 2005-01-01 126 2006-01-01 144 2007-01-01 193 2008-01-01 217 2009-01-01 215 2010-01-01 211 2011-01-01 255 2012-01-01 260 2013-01-01 257 2014-01-01 278 2015-01-01 258 2016-01-01 252