Year	Number of Firms
1992-01-01	26
1997-01-01	39
2002-01-01	40
2003-01-01	31
2004-01-01	37
2005-01-01	45
2006-01-01	48
2007-01-01	42
2008-01-01	49
2009-01-01	61
2010-01-01	46
2011-01-01	41
2012-01-01	49
2013-01-01	54
2014-01-01	53
2015-01-01	65
2016-01-01	62