Year	Number of Firms
1992-01-01	2
1997-01-01	2
2002-01-01	10
2003-01-01	6
2004-01-01	11
2005-01-01	11
2006-01-01	10
2007-01-01	16
2008-01-01	13
2009-01-01	11
2010-01-01	9
2011-01-01	10
2012-01-01	13
2013-01-01	9
2014-01-01	10
2015-01-01	12
2016-01-01	13