Year	Number of Firms
1992-01-01	46
1997-01-01	97
2002-01-01	41
2003-01-01	39
2004-01-01	54
2005-01-01	39
2006-01-01	39
2007-01-01	43
2008-01-01	26
2009-01-01	42
2010-01-01	49
2011-01-01	65
2012-01-01	61
2013-01-01	52
2014-01-01	43
2015-01-01	51
2016-01-01	42