Year	Number of Firms
1992-01-01	184
1997-01-01	230
2002-01-01	265
2003-01-01	266
2004-01-01	286
2005-01-01	273
2006-01-01	280
2007-01-01	320
2008-01-01	358
2009-01-01	326
2010-01-01	281
2011-01-01	268
2012-01-01	235
2013-01-01	254
2014-01-01	240
2015-01-01	244
2016-01-01	219