Year	Number of Firms
1992-01-01	165
1997-01-01	210
2002-01-01	156
2003-01-01	127
2004-01-01	140
2005-01-01	158
2006-01-01	167
2007-01-01	200
2008-01-01	240
2009-01-01	252
2010-01-01	276
2011-01-01	325
2012-01-01	320
2013-01-01	302
2014-01-01	283
2015-01-01	242
2016-01-01	258