Year	Number of Firms
1992-01-01	9
1997-01-01	20
2002-01-01	16
2003-01-01	15
2004-01-01	19
2005-01-01	16
2006-01-01	14
2007-01-01	22
2008-01-01	22
2009-01-01	32
2010-01-01	46
2011-01-01	41
2012-01-01	35
2013-01-01	39
2014-01-01	29
2015-01-01	37
2016-01-01	32