Year	Number of Firms
1992-01-01	6
1997-01-01	8
2002-01-01	8
2003-01-01	11
2004-01-01	14
2005-01-01	15
2006-01-01	20
2007-01-01	35
2008-01-01	27
2009-01-01	23
2010-01-01	36
2011-01-01	45
2012-01-01	42
2013-01-01	40
2014-01-01	40
2015-01-01	49
2016-01-01	46