Year	Number of Firms
1992-01-01	3
1997-01-01	3
2002-01-01	13
2003-01-01	12
2004-01-01	10
2005-01-01	18
2006-01-01	11
2007-01-01	17
2008-01-01	28
2009-01-01	24
2010-01-01	43
2011-01-01	34
2012-01-01	38
2013-01-01	32
2014-01-01	34
2015-01-01	36
2016-01-01	33