Year	Number of Firms
1992-01-01	14
1997-01-01	18
2002-01-01	18
2003-01-01	23
2004-01-01	25
2005-01-01	20
2006-01-01	20
2007-01-01	26
2008-01-01	27
2009-01-01	41
2010-01-01	40
2011-01-01	42
2012-01-01	39
2013-01-01	54
2014-01-01	41
2015-01-01	40
2016-01-01	44