Year	Number of Firms
1997-01-01	33
2002-01-01	27
2003-01-01	37
2004-01-01	59
2005-01-01	58
2006-01-01	60
2007-01-01	72
2008-01-01	77
2009-01-01	73
2010-01-01	72
2011-01-01	75
2012-01-01	87
2013-01-01	86
2014-01-01	99
2015-01-01	102
2016-01-01	105