Year	Number of Firms
1992-01-01	33
1997-01-01	48
2002-01-01	37
2003-01-01	38
2004-01-01	40
2005-01-01	40
2006-01-01	48
2007-01-01	54
2008-01-01	50
2009-01-01	51
2010-01-01	57
2011-01-01	57
2012-01-01	63
2013-01-01	54
2014-01-01	52
2015-01-01	57
2016-01-01	50