Year	Number of Firms
1992-01-01	10
1997-01-01	18
2002-01-01	22
2003-01-01	27
2004-01-01	31
2005-01-01	48
2006-01-01	41
2007-01-01	54
2008-01-01	55
2009-01-01	46
2010-01-01	52
2011-01-01	60
2012-01-01	65
2013-01-01	82
2014-01-01	80
2015-01-01	61
2016-01-01	67