Year	Number of Firms
1992-01-01	1
1997-01-01	1
2002-01-01	3
2003-01-01	2
2004-01-01	7
2005-01-01	7
2006-01-01	8
2007-01-01	11
2008-01-01	15
2009-01-01	10
2010-01-01	15
2011-01-01	34
2012-01-01	36
2013-01-01	27
2014-01-01	28
2015-01-01	26
2016-01-01	23