Year	Number of Firms
1992-01-01	27
1997-01-01	29
2002-01-01	27
2003-01-01	32
2004-01-01	35
2005-01-01	41
2006-01-01	40
2007-01-01	43
2008-01-01	35
2009-01-01	37
2010-01-01	47
2011-01-01	46
2012-01-01	49
2013-01-01	59
2014-01-01	55
2015-01-01	53
2016-01-01	56