Year	Number of Firms
1992-01-01	84
1997-01-01	169
2002-01-01	134
2003-01-01	126
2004-01-01	141
2005-01-01	141
2006-01-01	161
2007-01-01	195
2008-01-01	207
2009-01-01	221
2010-01-01	257
2011-01-01	313
2012-01-01	306
2013-01-01	342
2014-01-01	321
2015-01-01	312
2016-01-01	300
