Year	Number of Firms
1992-01-01	9
1997-01-01	27
2002-01-01	20
2003-01-01	29
2004-01-01	31
2005-01-01	34
2006-01-01	35
2007-01-01	46
2008-01-01	65
2009-01-01	46
2010-01-01	56
2011-01-01	64
2012-01-01	35
2013-01-01	43
2014-01-01	44
2015-01-01	51
2016-01-01	34