Year	Number of Firms
1992-01-01	20
1997-01-01	27
2002-01-01	13
2003-01-01	12
2004-01-01	19
2005-01-01	19
2006-01-01	22
2007-01-01	36
2008-01-01	30
2009-01-01	36
2010-01-01	35
2011-01-01	35
2012-01-01	40
2013-01-01	37
2014-01-01	38
2015-01-01	50
2016-01-01	34