Year	Number of Firms
1992-01-01	3
1997-01-01	8
2002-01-01	7
2003-01-01	11
2004-01-01	15
2005-01-01	11
2006-01-01	11
2007-01-01	10
2008-01-01	13
2009-01-01	9
2010-01-01	18
2011-01-01	8
2012-01-01	11
2013-01-01	11
2014-01-01	17
2015-01-01	27
2016-01-01	19