Year	Number of Firms
1992-01-01	6
1997-01-01	20
2002-01-01	45
2003-01-01	56
2004-01-01	69
2005-01-01	86
2006-01-01	92
2007-01-01	93
2008-01-01	87
2009-01-01	107
2010-01-01	123
2011-01-01	127
2012-01-01	127
2013-01-01	132
2014-01-01	150
2015-01-01	170
2016-01-01	177