Year	Number of Firms
1992-01-01	9
1997-01-01	51
2002-01-01	75
2003-01-01	71
2004-01-01	103
2005-01-01	177
2006-01-01	212
2007-01-01	244
2008-01-01	265
2009-01-01	136
2010-01-01	130
2011-01-01	158
2012-01-01	141
2013-01-01	161
2014-01-01	134
2015-01-01	115
2016-01-01	188