Year	Number of Firms
1992-01-01	68
1997-01-01	116
2002-01-01	151
2003-01-01	166
2004-01-01	191
2005-01-01	222
2006-01-01	241
2007-01-01	311
2008-01-01	318
2009-01-01	305
2010-01-01	338
2011-01-01	361
2012-01-01	353
2013-01-01	343
2014-01-01	367
2015-01-01	372
2016-01-01	346