Year	Number of Firms
1992-01-01	40
1997-01-01	53
2002-01-01	44
2003-01-01	57
2004-01-01	57
2005-01-01	54
2006-01-01	59
2007-01-01	58
2008-01-01	82
2009-01-01	59
2010-01-01	62
2011-01-01	53
2012-01-01	55
2013-01-01	46
2014-01-01	45
2015-01-01	50
2016-01-01	54