Year	Number of Firms
1992-01-01	8
1997-01-01	22
2002-01-01	18
2003-01-01	22
2004-01-01	24
2005-01-01	27
2006-01-01	24
2007-01-01	25
2008-01-01	27
2009-01-01	26
2010-01-01	32
2011-01-01	31
2012-01-01	38
2013-01-01	39
2014-01-01	34
2015-01-01	36
2016-01-01	43