Year	Number of Firms
1992-01-01	2
1997-01-01	2
2002-01-01	7
2003-01-01	10
2004-01-01	36
2005-01-01	44
2006-01-01	61
2007-01-01	95
2008-01-01	162
2009-01-01	104
2010-01-01	41
2011-01-01	57
2012-01-01	44
2013-01-01	36
2014-01-01	43
2015-01-01	44
2016-01-01	18