Year	Number of Firms
1992-01-01	111
1997-01-01	224
2002-01-01	176
2003-01-01	196
2004-01-01	193
2005-01-01	225
2006-01-01	220
2007-01-01	267
2008-01-01	277
2009-01-01	279
2010-01-01	297
2011-01-01	329
2012-01-01	340
2013-01-01	360
2014-01-01	341
2015-01-01	330
2016-01-01	333