Year	Number of Firms
1992-01-01	23
1997-01-01	39
2002-01-01	29
2003-01-01	27
2004-01-01	43
2005-01-01	94
2006-01-01	58
2007-01-01	51
2008-01-01	35
2009-01-01	25
2010-01-01	36
2011-01-01	32
2012-01-01	44
2013-01-01	35
2014-01-01	41
2015-01-01	37
2016-01-01	34
