Year	Number of Firms
1997-01-01	35
2002-01-01	41
2003-01-01	54
2004-01-01	49
2005-01-01	58
2006-01-01	56
2007-01-01	78
2008-01-01	81
2009-01-01	75
2010-01-01	82
2011-01-01	88
2012-01-01	97
2013-01-01	97
2014-01-01	108
2015-01-01	83
2016-01-01	92