Year	Number of Firms
1992-01-01	99
1997-01-01	172
2002-01-01	152
2003-01-01	162
2004-01-01	182
2005-01-01	195
2006-01-01	200
2007-01-01	222
2008-01-01	222
2009-01-01	194
2010-01-01	263
2011-01-01	237
2012-01-01	227
2013-01-01	246
2014-01-01	216
2015-01-01	210
2016-01-01	235