Year	Number of Firms
1992-01-01	2
1997-01-01	3
2002-01-01	7
2003-01-01	7
2004-01-01	23
2005-01-01	28
2006-01-01	27
2007-01-01	35
2008-01-01	43
2009-01-01	68
2010-01-01	87
2011-01-01	93
2012-01-01	80
2013-01-01	72
2014-01-01	51
2015-01-01	37
2016-01-01	45