Year	Number of Firms
1992-01-01	10
1997-01-01	19
2002-01-01	20
2003-01-01	15
2004-01-01	24
2005-01-01	27
2006-01-01	22
2007-01-01	32
2008-01-01	35
2009-01-01	33
2010-01-01	38
2011-01-01	31
2012-01-01	57
2013-01-01	46
2014-01-01	55
2015-01-01	52
2016-01-01	52
