Year	Number of Firms
1992-01-01	8
1997-01-01	11
2002-01-01	9
2003-01-01	16
2004-01-01	19
2005-01-01	29
2006-01-01	35
2007-01-01	34
2008-01-01	57
2009-01-01	51
2010-01-01	42
2011-01-01	38
2012-01-01	39
2013-01-01	47
2014-01-01	60
2015-01-01	46
2016-01-01	50