Year	Number of Firms
1992-01-01	24
1997-01-01	27
2002-01-01	23
2003-01-01	25
2004-01-01	25
2005-01-01	26
2006-01-01	19
2007-01-01	41
2008-01-01	34
2009-01-01	41
2010-01-01	45
2011-01-01	47
2012-01-01	45
2013-01-01	39
2014-01-01	37
2015-01-01	40
2016-01-01	34