Year	Number of Firms
1992-01-01	3
1997-01-01	13
2002-01-01	4
2003-01-01	11
2004-01-01	12
2005-01-01	17
2006-01-01	18
2007-01-01	18
2008-01-01	25
2009-01-01	26
2010-01-01	25
2011-01-01	35
2012-01-01	42
2013-01-01	43
2014-01-01	43
2015-01-01	42
2016-01-01	38