Year	Number of Firms
1992-01-01	2
1997-01-01	1
2002-01-01	12
2003-01-01	15
2004-01-01	13
2005-01-01	16
2006-01-01	19
2007-01-01	24
2008-01-01	32
2009-01-01	35
2010-01-01	36
2011-01-01	38
2012-01-01	32
2013-01-01	44
2014-01-01	51
2015-01-01	53
2016-01-01	47