Year	Number of Firms
1992-01-01	38
1997-01-01	68
2002-01-01	55
2003-01-01	63
2004-01-01	76
2005-01-01	84
2006-01-01	97
2007-01-01	98
2008-01-01	111
2009-01-01	111
2010-01-01	116
2011-01-01	157
2012-01-01	161
2013-01-01	167
2014-01-01	173
2015-01-01	155
2016-01-01	176
