Year	Number of Firms
1992-01-01	9
1997-01-01	21
2002-01-01	22
2003-01-01	15
2004-01-01	24
2005-01-01	28
2006-01-01	36
2007-01-01	35
2008-01-01	35
2009-01-01	38
2010-01-01	37
2011-01-01	46
2012-01-01	44
2013-01-01	47
2014-01-01	38
2015-01-01	41
2016-01-01	36