Year	Number of Firms
2003-01-01	6
2004-01-01	16
2005-01-01	14
2006-01-01	23
2007-01-01	25
2008-01-01	24
2009-01-01	24
2010-01-01	25
2011-01-01	23
2012-01-01	21
2013-01-01	24
2014-01-01	28
2015-01-01	31
2016-01-01	22