Year	Number of Firms
1992-01-01	27
1997-01-01	19
2002-01-01	43
2003-01-01	41
2004-01-01	44
2005-01-01	46
2006-01-01	51
2007-01-01	60
2008-01-01	52
2009-01-01	58
2010-01-01	67
2011-01-01	77
2012-01-01	61
2013-01-01	54
2014-01-01	53
2015-01-01	57
2016-01-01	46
