Year	Number of Firms
1992-01-01	76
1997-01-01	93
2002-01-01	148
2003-01-01	167
2004-01-01	100
2005-01-01	4
2006-01-01	4
2007-01-01	3
2008-01-01	8
2009-01-01	7
2010-01-01	8
2011-01-01	5
2012-01-01	1
2013-01-01	1
2014-01-01	2
2016-01-01	1