Year	Number of Firms
1997-01-01	8
2002-01-01	10
2003-01-01	12
2004-01-01	11
2005-01-01	12
2006-01-01	17
2007-01-01	21
2008-01-01	19
2009-01-01	24
2010-01-01	26
2011-01-01	25
2012-01-01	37
2013-01-01	35
2014-01-01	44
2015-01-01	29
2016-01-01	34