Year	Number of Firms
1992-01-01	82
1997-01-01	204
2002-01-01	194
2003-01-01	191
2004-01-01	186
2005-01-01	191
2006-01-01	193
2007-01-01	225
2008-01-01	238
2009-01-01	216
2010-01-01	230
2011-01-01	263
2012-01-01	251
2013-01-01	237
2014-01-01	256
2015-01-01	270
2016-01-01	262