Year	Number of Firms
1992-01-01	3
1997-01-01	6
2002-01-01	14
2003-01-01	14
2004-01-01	22
2005-01-01	30
2006-01-01	28
2007-01-01	32
2008-01-01	50
2009-01-01	46
2010-01-01	42
2011-01-01	60
2012-01-01	62
2013-01-01	55
2014-01-01	41
2015-01-01	36
2016-01-01	24