Year	Number of Firms
1992-01-01	4
1997-01-01	5
2002-01-01	15
2003-01-01	12
2004-01-01	15
2005-01-01	14
2006-01-01	27
2007-01-01	19
2008-01-01	31
2009-01-01	35
2010-01-01	57
2011-01-01	66
2012-01-01	45
2013-01-01	50
2014-01-01	44
2015-01-01	41
2016-01-01	26