Year	Number of Firms
1992-01-01	4
1997-01-01	15
2002-01-01	38
2003-01-01	28
2004-01-01	40
2005-01-01	37
2006-01-01	44
2007-01-01	38
2008-01-01	54
2009-01-01	54
2010-01-01	52
2011-01-01	61
2012-01-01	50
2013-01-01	72
2014-01-01	81
2015-01-01	71
2016-01-01	64