Year	Number of Firms
1992-01-01	6
1997-01-01	23
2002-01-01	31
2003-01-01	37
2004-01-01	40
2005-01-01	42
2006-01-01	34
2007-01-01	45
2008-01-01	50
2009-01-01	38
2010-01-01	38
2011-01-01	41
2012-01-01	49
2013-01-01	44
2014-01-01	45
2015-01-01	47
2016-01-01	44