Year	Number of Firms
1997-01-01	5
2002-01-01	10
2003-01-01	17
2004-01-01	14
2005-01-01	16
2006-01-01	14
2007-01-01	8
2008-01-01	16
2009-01-01	22
2010-01-01	18
2011-01-01	35
2012-01-01	29
2013-01-01	24
2014-01-01	25
2015-01-01	45
2016-01-01	55