Year	Number of Firms
1997-01-01	5
2002-01-01	10
2003-01-01	10
2004-01-01	11
2005-01-01	15
2006-01-01	22
2007-01-01	32
2008-01-01	24
2009-01-01	16
2010-01-01	18
2011-01-01	31
2012-01-01	26
2013-01-01	30
2014-01-01	44
2015-01-01	15
2016-01-01	15