Year	Number of Firms
2003-01-01	5
2004-01-01	8
2005-01-01	15
2006-01-01	21
2007-01-01	17
2008-01-01	18
2009-01-01	19
2010-01-01	19
2011-01-01	15
2012-01-01	22
2013-01-01	24
2014-01-01	18
2015-01-01	17
2016-01-01	15