Year	Number of Firms
1992-01-01	28
1997-01-01	25
2002-01-01	34
2003-01-01	30
2004-01-01	40
2005-01-01	37
2006-01-01	38
2007-01-01	50
2008-01-01	43
2009-01-01	44
2010-01-01	39
2011-01-01	45
2012-01-01	43
2013-01-01	33
2014-01-01	41
2015-01-01	39
2016-01-01	37