Year	Number of Firms
1992-01-01	7
1997-01-01	3
2002-01-01	4
2003-01-01	10
2004-01-01	17
2005-01-01	33
2006-01-01	20
2007-01-01	25
2008-01-01	26
2009-01-01	26
2010-01-01	32
2011-01-01	19
2012-01-01	31
2013-01-01	27
2014-01-01	42
2015-01-01	23
2016-01-01	33