Year	Number of Firms
1992-01-01	8
1997-01-01	17
2002-01-01	9
2003-01-01	18
2004-01-01	21
2005-01-01	19
2006-01-01	32
2007-01-01	29
2008-01-01	61
2009-01-01	34
2010-01-01	30
2011-01-01	36
2012-01-01	41
2013-01-01	47
2014-01-01	52
2015-01-01	41
2016-01-01	22