Year	Number of Firms
1992-01-01	36
1997-01-01	76
2002-01-01	77
2003-01-01	99
2004-01-01	102
2005-01-01	151
2006-01-01	146
2007-01-01	182
2008-01-01	228
2009-01-01	204
2010-01-01	205
2011-01-01	221
2012-01-01	202
2013-01-01	247
2014-01-01	262
2015-01-01	247
2016-01-01	264