Year	Number of Firms
1992-01-01	9
1997-01-01	14
2002-01-01	11
2003-01-01	9
2004-01-01	16
2005-01-01	15
2006-01-01	15
2007-01-01	15
2008-01-01	17
2009-01-01	28
2010-01-01	42
2011-01-01	32
2012-01-01	28
2013-01-01	24
2014-01-01	34
2015-01-01	38
2016-01-01	29