Year	Number of Firms
1992-01-01	182
1997-01-01	236
2002-01-01	227
2003-01-01	232
2004-01-01	255
2005-01-01	273
2006-01-01	316
2007-01-01	312
2008-01-01	312
2009-01-01	303
2010-01-01	300
2011-01-01	334
2012-01-01	321
2013-01-01	325
2014-01-01	308
2015-01-01	283
2016-01-01	282