Year	Number of Firms
2003-01-01	2
2004-01-01	5
2005-01-01	8
2006-01-01	5
2007-01-01	5
2008-01-01	4
2009-01-01	22
2010-01-01	21
2011-01-01	26
2012-01-01	20
2013-01-01	17
2014-01-01	17
2015-01-01	13
2016-01-01	9