Year	Number of Firms
1992-01-01	11
1997-01-01	29
2002-01-01	32
2003-01-01	34
2004-01-01	38
2005-01-01	38
2006-01-01	40
2007-01-01	45
2008-01-01	36
2009-01-01	47
2010-01-01	43
2011-01-01	60
2012-01-01	43
2013-01-01	63
2014-01-01	55
2015-01-01	54
2016-01-01	63
