Year	Number of Firms
1992-01-01	89
1997-01-01	138
2002-01-01	175
2003-01-01	169
2004-01-01	182
2005-01-01	222
2006-01-01	184
2007-01-01	216
2008-01-01	245
2009-01-01	224
2010-01-01	259
2011-01-01	261
2012-01-01	263
2013-01-01	283
2014-01-01	283
2015-01-01	301
2016-01-01	337