Year	Number of Firms
1992-01-01	143
1997-01-01	211
2002-01-01	193
2003-01-01	203
2004-01-01	227
2005-01-01	223
2006-01-01	241
2007-01-01	266
2008-01-01	282
2009-01-01	277
2010-01-01	290
2011-01-01	357
2012-01-01	321
2013-01-01	362
2014-01-01	386
2015-01-01	378
2016-01-01	371