Year	Number of Firms
1992-01-01	30
1997-01-01	81
2002-01-01	113
2003-01-01	137
2004-01-01	166
2005-01-01	180
2006-01-01	200
2007-01-01	253
2008-01-01	285
2009-01-01	233
2010-01-01	267
2011-01-01	289
2012-01-01	315
2013-01-01	378
2014-01-01	419
2015-01-01	366
2016-01-01	362