Year	Number of Firms
2003-01-01	5
2004-01-01	14
2005-01-01	11
2006-01-01	16
2007-01-01	23
2008-01-01	21
2009-01-01	25
2010-01-01	18
2011-01-01	22
2012-01-01	25
2013-01-01	31
2014-01-01	22
2015-01-01	18
2016-01-01	31