Year	Number of Firms
1992-01-01	15
1997-01-01	21
2002-01-01	35
2003-01-01	30
2004-01-01	43
2005-01-01	38
2006-01-01	39
2007-01-01	45
2008-01-01	57
2009-01-01	54
2010-01-01	53
2011-01-01	63
2012-01-01	52
2013-01-01	53
2014-01-01	50
2015-01-01	44
2016-01-01	47