Year	Number of Firms
1992-01-01	7
1997-01-01	13
2002-01-01	12
2003-01-01	21
2004-01-01	18
2005-01-01	19
2006-01-01	22
2007-01-01	39
2008-01-01	34
2009-01-01	43
2010-01-01	53
2011-01-01	52
2012-01-01	64
2013-01-01	67
2014-01-01	63
2015-01-01	48
2016-01-01	48
