Year	Number of Firms
1992-01-01	9
1997-01-01	6
2002-01-01	11
2003-01-01	8
2004-01-01	23
2005-01-01	28
2006-01-01	27
2007-01-01	27
2008-01-01	33
2009-01-01	43
2010-01-01	50
2011-01-01	55
2012-01-01	51
2013-01-01	42
2014-01-01	52
2015-01-01	36
2016-01-01	44