Year	Number of Firms
1992-01-01	240
1997-01-01	256
2002-01-01	246
2003-01-01	247
2004-01-01	241
2005-01-01	225
2006-01-01	191
2007-01-01	236
2008-01-01	206
2009-01-01	198
2010-01-01	207
2011-01-01	221
2012-01-01	220
2013-01-01	191
2014-01-01	195
2015-01-01	180
2016-01-01	193