Year	Number of Firms
1992-01-01	38
1997-01-01	93
2002-01-01	126
2003-01-01	156
2004-01-01	167
2005-01-01	168
2006-01-01	192
2007-01-01	208
2008-01-01	222
2009-01-01	238
2010-01-01	276
2011-01-01	297
2012-01-01	305
2013-01-01	307
2014-01-01	307
2015-01-01	293
2016-01-01	342