Year	Number of Firms
1992-01-01	17
1997-01-01	15
2002-01-01	27
2003-01-01	19
2004-01-01	33
2005-01-01	27
2006-01-01	35
2007-01-01	35
2008-01-01	34
2009-01-01	33
2010-01-01	21
2011-01-01	38
2012-01-01	18
2013-01-01	11
2014-01-01	13
2015-01-01	9
2016-01-01	12