Year	Number of Firms
1992-01-01	5
1997-01-01	6
2002-01-01	8
2003-01-01	6
2004-01-01	7
2005-01-01	20
2006-01-01	16
2007-01-01	26
2008-01-01	34
2009-01-01	21
2010-01-01	21
2011-01-01	13
2012-01-01	12
2013-01-01	14
2014-01-01	10
2015-01-01	11
2016-01-01	13