Year	Number of Firms
1992-01-01	6
1997-01-01	10
2002-01-01	33
2003-01-01	26
2004-01-01	20
2005-01-01	19
2006-01-01	26
2007-01-01	32
2008-01-01	34
2009-01-01	40
2010-01-01	46
2011-01-01	48
2012-01-01	54
2013-01-01	47
2014-01-01	51
2015-01-01	35
2016-01-01	24