Year	Number of Firms
1992-01-01	34
1997-01-01	36
2002-01-01	41
2003-01-01	49
2004-01-01	43
2005-01-01	47
2006-01-01	44
2007-01-01	62
2008-01-01	63
2009-01-01	54
2010-01-01	57
2011-01-01	66
2012-01-01	65
2013-01-01	71
2014-01-01	68
2015-01-01	68
2016-01-01	61