Year	Number of Firms
1992-01-01	43
1997-01-01	52
2002-01-01	58
2003-01-01	54
2004-01-01	59
2005-01-01	67
2006-01-01	49
2007-01-01	62
2008-01-01	78
2009-01-01	68
2010-01-01	61
2011-01-01	66
2012-01-01	64
2013-01-01	54
2014-01-01	63
2015-01-01	65
2016-01-01	63