Year	Number of Firms
1992-01-01	1
1997-01-01	8
2002-01-01	21
2003-01-01	19
2004-01-01	16
2005-01-01	26
2006-01-01	26
2007-01-01	24
2008-01-01	36
2009-01-01	34
2010-01-01	35
2011-01-01	41
2012-01-01	42
2013-01-01	40
2014-01-01	34
2015-01-01	26
2016-01-01	33