Year	Number of Firms
1992-01-01	18
1997-01-01	32
2002-01-01	18
2003-01-01	24
2004-01-01	30
2005-01-01	31
2006-01-01	30
2007-01-01	41
2008-01-01	34
2009-01-01	44
2010-01-01	54
2011-01-01	44
2012-01-01	58
2013-01-01	53
2014-01-01	55
2015-01-01	63
2016-01-01	49
