Year	Number of Firms
1992-01-01	8
1997-01-01	7
2002-01-01	33
2003-01-01	24
2004-01-01	29
2005-01-01	22
2006-01-01	30
2007-01-01	34
2008-01-01	42
2009-01-01	33
2010-01-01	41
2011-01-01	73
2012-01-01	68
2013-01-01	68
2014-01-01	53
2015-01-01	44
2016-01-01	45