Year	Number of Firms
1997-01-01	1
2002-01-01	6
2003-01-01	3
2004-01-01	8
2005-01-01	8
2006-01-01	11
2007-01-01	15
2008-01-01	15
2009-01-01	17
2010-01-01	14
2011-01-01	10
2012-01-01	17
2013-01-01	19
2014-01-01	25
2015-01-01	27
2016-01-01	19