Year	Number of Firms
1992-01-01	7
1997-01-01	15
2002-01-01	20
2003-01-01	11
2004-01-01	23
2005-01-01	19
2006-01-01	19
2007-01-01	26
2008-01-01	35
2009-01-01	39
2010-01-01	26
2011-01-01	33
2012-01-01	42
2013-01-01	41
2014-01-01	44
2015-01-01	46
2016-01-01	54