Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	4
2003-01-01	3
2004-01-01	7
2005-01-01	9
2006-01-01	4
2007-01-01	8
2008-01-01	10
2009-01-01	16
2010-01-01	19
2011-01-01	16
2012-01-01	21
2013-01-01	22
2014-01-01	18
2015-01-01	27
2016-01-01	19