Year	Number of Firms
1997-01-01	2
2002-01-01	4
2003-01-01	8
2004-01-01	8
2005-01-01	11
2006-01-01	28
2007-01-01	17
2008-01-01	18
2009-01-01	17
2010-01-01	15
2011-01-01	20
2012-01-01	18
2013-01-01	19
2014-01-01	23
2015-01-01	33
2016-01-01	26