Year	Number of Firms
1992-01-01	19
1997-01-01	27
2002-01-01	15
2003-01-01	15
2004-01-01	14
2005-01-01	22
2006-01-01	20
2007-01-01	23
2008-01-01	23
2009-01-01	25
2010-01-01	35
2011-01-01	31
2012-01-01	32
2013-01-01	41
2014-01-01	31
2015-01-01	27
2016-01-01	24