Year	Number of Firms
1992-01-01	9
1997-01-01	11
2002-01-01	18
2003-01-01	18
2004-01-01	23
2005-01-01	24
2006-01-01	24
2007-01-01	24
2008-01-01	23
2009-01-01	26
2010-01-01	36
2011-01-01	44
2012-01-01	53
2013-01-01	63
2014-01-01	55
2015-01-01	69
2016-01-01	66