Year	Number of Firms
1992-01-01	4
1997-01-01	4
2002-01-01	6
2003-01-01	13
2004-01-01	27
2005-01-01	23
2006-01-01	26
2007-01-01	19
2008-01-01	28
2009-01-01	28
2010-01-01	35
2011-01-01	33
2012-01-01	37
2013-01-01	47
2014-01-01	54
2015-01-01	46
2016-01-01	34