Year	Number of Firms
1992-01-01	1
1997-01-01	8
2002-01-01	19
2003-01-01	12
2004-01-01	21
2005-01-01	21
2006-01-01	27
2007-01-01	32
2008-01-01	36
2009-01-01	27
2010-01-01	36
2011-01-01	34
2012-01-01	37
2013-01-01	47
2014-01-01	48
2015-01-01	51
2016-01-01	64