Year	Number of Firms
1992-01-01	8
1997-01-01	11
2002-01-01	22
2003-01-01	16
2004-01-01	24
2005-01-01	35
2006-01-01	29
2007-01-01	44
2008-01-01	38
2009-01-01	43
2010-01-01	36
2011-01-01	38
2012-01-01	36
2013-01-01	29
2014-01-01	33
2015-01-01	33
2016-01-01	37
