Year	Number of Firms
1997-01-01	5
2002-01-01	10
2003-01-01	8
2004-01-01	19
2005-01-01	13
2006-01-01	7
2007-01-01	29
2008-01-01	27
2009-01-01	31
2010-01-01	30
2011-01-01	47
2012-01-01	59
2013-01-01	61
2014-01-01	65
2015-01-01	60
2016-01-01	57