Year	Number of Firms
2003-01-01	1
2004-01-01	10
2005-01-01	14
2006-01-01	19
2007-01-01	10
2008-01-01	14
2009-01-01	12
2010-01-01	18
2011-01-01	20
2012-01-01	21
2013-01-01	21
2014-01-01	23
2015-01-01	21
2016-01-01	15