Year	Number of Firms
1992-01-01	77
1997-01-01	172
2002-01-01	195
2003-01-01	224
2004-01-01	232
2005-01-01	261
2006-01-01	267
2007-01-01	305
2008-01-01	347
2009-01-01	324
2010-01-01	342
2011-01-01	354
2012-01-01	324
2013-01-01	342
2014-01-01	368
2015-01-01	362
2016-01-01	354