Year	Number of Firms
1992-01-01	32
1997-01-01	27
2002-01-01	36
2003-01-01	35
2004-01-01	32
2005-01-01	37
2006-01-01	33
2007-01-01	44
2008-01-01	47
2009-01-01	40
2010-01-01	36
2011-01-01	50
2012-01-01	44
2013-01-01	42
2014-01-01	46
2015-01-01	37
2016-01-01	41