Year	Number of Firms
1992-01-01	1
1997-01-01	13
2002-01-01	18
2003-01-01	25
2004-01-01	24
2005-01-01	21
2006-01-01	26
2007-01-01	40
2008-01-01	32
2009-01-01	25
2010-01-01	22
2011-01-01	32
2012-01-01	40
2013-01-01	49
2014-01-01	42
2015-01-01	38
2016-01-01	39