Year	Number of Firms
1992-01-01	19
1997-01-01	44
2002-01-01	42
2003-01-01	44
2004-01-01	59
2005-01-01	71
2006-01-01	53
2007-01-01	82
2008-01-01	87
2009-01-01	137
2010-01-01	102
2011-01-01	78
2012-01-01	83
2013-01-01	92
2014-01-01	85
2015-01-01	79
2016-01-01	81