Year	Number of Firms
1992-01-01	1
1997-01-01	23
2002-01-01	61
2003-01-01	63
2004-01-01	82
2005-01-01	93
2006-01-01	83
2007-01-01	135
2008-01-01	137
2009-01-01	160
2010-01-01	173
2011-01-01	185
2012-01-01	186
2013-01-01	193
2014-01-01	218
2015-01-01	215
2016-01-01	250