Year	Number of Firms
1992-01-01	30
1997-01-01	46
2002-01-01	45
2003-01-01	43
2004-01-01	44
2005-01-01	51
2006-01-01	51
2007-01-01	54
2008-01-01	50
2009-01-01	58
2010-01-01	47
2011-01-01	63
2012-01-01	53
2013-01-01	45
2014-01-01	41
2015-01-01	36
2016-01-01	38