Year	Number of Firms
1992-01-01	14
1997-01-01	19
2002-01-01	28
2003-01-01	25
2004-01-01	20
2005-01-01	16
2006-01-01	16
2007-01-01	28
2008-01-01	32
2009-01-01	34
2010-01-01	49
2011-01-01	52
2012-01-01	59
2013-01-01	54
2014-01-01	64
2015-01-01	50
2016-01-01	44