Year	Number of Firms
1992-01-01	33
1997-01-01	47
2002-01-01	80
2003-01-01	77
2004-01-01	56
2005-01-01	5
2006-01-01	2
2007-01-01	5
2008-01-01	2
2009-01-01	7
2010-01-01	16
2011-01-01	10
2015-01-01	1
2016-01-01	1