Year	Number of Firms
1992-01-01	46
1997-01-01	38
2002-01-01	44
2003-01-01	46
2004-01-01	56
2005-01-01	55
2006-01-01	54
2007-01-01	66
2008-01-01	66
2009-01-01	62
2010-01-01	57
2011-01-01	50
2012-01-01	54
2013-01-01	48
2014-01-01	47
2015-01-01	40
2016-01-01	51