Year	Number of Firms
1992-01-01	99
1997-01-01	154
2002-01-01	195
2003-01-01	187
2004-01-01	221
2005-01-01	271
2006-01-01	294
2007-01-01	344
2008-01-01	384
2009-01-01	377
2010-01-01	380
2011-01-01	413
2012-01-01	399
2013-01-01	414
2014-01-01	431
2015-01-01	439
2016-01-01	444