Year	Number of Firms
1992-01-01	3
1997-01-01	12
2002-01-01	19
2003-01-01	14
2004-01-01	22
2005-01-01	21
2006-01-01	29
2007-01-01	26
2008-01-01	32
2009-01-01	29
2010-01-01	31
2011-01-01	34
2012-01-01	35
2013-01-01	44
2014-01-01	38
2015-01-01	42
2016-01-01	54
