Year	Number of Firms
1992-01-01	11
1997-01-01	13
2002-01-01	15
2003-01-01	20
2004-01-01	15
2005-01-01	21
2006-01-01	21
2007-01-01	25
2008-01-01	32
2009-01-01	30
2010-01-01	36
2011-01-01	50
2012-01-01	50
2013-01-01	47
2014-01-01	69
2015-01-01	48
2016-01-01	64