Year	Number of Firms
1992-01-01	22
1997-01-01	34
2002-01-01	31
2003-01-01	27
2004-01-01	27
2005-01-01	24
2006-01-01	25
2007-01-01	29
2008-01-01	64
2009-01-01	58
2010-01-01	65
2011-01-01	61
2012-01-01	43
2013-01-01	50
2014-01-01	54
2015-01-01	50
2016-01-01	57