Year	Number of Firms
1997-01-01	1
2002-01-01	6
2003-01-01	10
2004-01-01	6
2005-01-01	11
2006-01-01	11
2007-01-01	13
2008-01-01	20
2009-01-01	12
2010-01-01	18
2011-01-01	25
2012-01-01	22
2013-01-01	35
2014-01-01	29
2015-01-01	25
2016-01-01	29