Year	Number of Firms
1992-01-01	26
1997-01-01	46
2002-01-01	63
2003-01-01	71
2004-01-01	85
2005-01-01	92
2006-01-01	105
2007-01-01	113
2008-01-01	135
2009-01-01	138
2010-01-01	175
2011-01-01	167
2012-01-01	186
2013-01-01	180
2014-01-01	168
2015-01-01	173
2016-01-01	183