Year	Number of Firms
1992-01-01	15
1997-01-01	16
2002-01-01	23
2003-01-01	41
2004-01-01	46
2005-01-01	62
2006-01-01	57
2007-01-01	60
2008-01-01	83
2009-01-01	55
2010-01-01	63
2011-01-01	65
2012-01-01	57
2013-01-01	50
2014-01-01	76
2015-01-01	72
2016-01-01	73