Year	Number of Firms
1992-01-01	41
1997-01-01	77
2002-01-01	119
2003-01-01	126
2004-01-01	144
2005-01-01	157
2006-01-01	156
2007-01-01	161
2008-01-01	186
2009-01-01	193
2010-01-01	198
2011-01-01	197
2012-01-01	208
2013-01-01	211
2014-01-01	202
2015-01-01	238
2016-01-01	255
