Year	Number of Firms
1992-01-01	48
1997-01-01	90
2002-01-01	126
2003-01-01	137
2004-01-01	175
2005-01-01	193
2006-01-01	218
2007-01-01	241
2008-01-01	245
2009-01-01	268
2010-01-01	296
2011-01-01	304
2012-01-01	327
2013-01-01	322
2014-01-01	289
2015-01-01	315
2016-01-01	317