Year	Number of Firms
1992-01-01	113
1997-01-01	193
2002-01-01	192
2003-01-01	189
2004-01-01	214
2005-01-01	208
2006-01-01	212
2007-01-01	231
2008-01-01	250
2009-01-01	237
2010-01-01	261
2011-01-01	321
2012-01-01	320
2013-01-01	335
2014-01-01	348
2015-01-01	351
2016-01-01	352