Year	Number of Firms
1992-01-01	182
1997-01-01	205
2002-01-01	222
2003-01-01	230
2004-01-01	241
2005-01-01	235
2006-01-01	254
2007-01-01	250
2008-01-01	275
2009-01-01	265
2010-01-01	268
2011-01-01	285
2012-01-01	251
2013-01-01	270
2014-01-01	255
2015-01-01	239
2016-01-01	257