Year	Number of Firms
1992-01-01	9
1997-01-01	13
2002-01-01	20
2003-01-01	27
2004-01-01	15
2005-01-01	23
2006-01-01	30
2007-01-01	36
2008-01-01	30
2009-01-01	30
2010-01-01	36
2011-01-01	34
2012-01-01	42
2013-01-01	41
2014-01-01	33
2015-01-01	32
2016-01-01	27