Year	Number of Firms
1992-01-01	2
1997-01-01	5
2002-01-01	13
2003-01-01	20
2004-01-01	15
2005-01-01	17
2006-01-01	27
2007-01-01	37
2008-01-01	44
2009-01-01	30
2010-01-01	43
2011-01-01	47
2012-01-01	53
2013-01-01	49
2014-01-01	59
2015-01-01	59
2016-01-01	66