Year Number of Firms 1992-01-01 100 1997-01-01 207 2002-01-01 198 2003-01-01 205 2004-01-01 203 2005-01-01 230 2006-01-01 224 2007-01-01 269 2008-01-01 319 2009-01-01 298 2010-01-01 331 2011-01-01 321 2012-01-01 351 2013-01-01 376 2014-01-01 370 2015-01-01 324 2016-01-01 337