Year	Number of Firms
1992-01-01	1
1997-01-01	4
2003-01-01	1
2004-01-01	8
2005-01-01	6
2006-01-01	4
2007-01-01	6
2008-01-01	12
2009-01-01	9
2010-01-01	9
2011-01-01	23
2012-01-01	31
2013-01-01	22
2014-01-01	19
2015-01-01	15
2016-01-01	11