Year	Number of Firms
1992-01-01	207
1997-01-01	269
2002-01-01	266
2003-01-01	267
2004-01-01	273
2005-01-01	293
2006-01-01	282
2007-01-01	285
2008-01-01	324
2009-01-01	285
2010-01-01	280
2011-01-01	334
2012-01-01	329
2013-01-01	292
2014-01-01	288
2015-01-01	283
2016-01-01	274