Year	Number of Firms
1992-01-01	12
1997-01-01	18
2002-01-01	16
2003-01-01	19
2004-01-01	25
2005-01-01	30
2006-01-01	41
2007-01-01	35
2008-01-01	27
2009-01-01	33
2010-01-01	40
2011-01-01	45
2012-01-01	30
2013-01-01	37
2014-01-01	37
2015-01-01	39
2016-01-01	44