Year	Number of Firms
1992-01-01	3
1997-01-01	19
2002-01-01	23
2003-01-01	30
2004-01-01	28
2005-01-01	34
2006-01-01	39
2007-01-01	53
2008-01-01	116
2009-01-01	78
2010-01-01	113
2011-01-01	260
2012-01-01	228
2013-01-01	227
2014-01-01	182
2015-01-01	173
2016-01-01	169