Year	Number of Firms
1992-01-01	85
1997-01-01	155
2002-01-01	235
2003-01-01	225
2004-01-01	198
2005-01-01	213
2006-01-01	216
2007-01-01	205
2008-01-01	263
2009-01-01	241
2010-01-01	292
2011-01-01	358
2012-01-01	386
2013-01-01	403
2014-01-01	401
2015-01-01	376
2016-01-01	353