Year	Number of Firms
1992-01-01	13
1997-01-01	24
2002-01-01	21
2003-01-01	27
2004-01-01	26
2005-01-01	31
2006-01-01	32
2007-01-01	45
2008-01-01	55
2009-01-01	48
2010-01-01	42
2011-01-01	50
2012-01-01	44
2013-01-01	46
2014-01-01	50
2015-01-01	40
2016-01-01	32