Year	Number of Firms
1992-01-01	20
1997-01-01	25
2002-01-01	37
2003-01-01	28
2004-01-01	37
2005-01-01	42
2006-01-01	40
2007-01-01	47
2008-01-01	54
2009-01-01	59
2010-01-01	60
2011-01-01	63
2012-01-01	63
2013-01-01	61
2014-01-01	73
2015-01-01	68
2016-01-01	59