Year	Number of Firms
1992-01-01	6
1997-01-01	11
2002-01-01	12
2003-01-01	18
2004-01-01	18
2005-01-01	28
2006-01-01	24
2007-01-01	34
2008-01-01	30
2009-01-01	37
2010-01-01	46
2011-01-01	52
2012-01-01	43
2013-01-01	52
2014-01-01	50
2015-01-01	38
2016-01-01	42