Year	Number of Firms
1992-01-01	196
1997-01-01	226
2002-01-01	225
2003-01-01	270
2004-01-01	256
2005-01-01	261
2006-01-01	283
2007-01-01	310
2008-01-01	324
2009-01-01	294
2010-01-01	285
2011-01-01	315
2012-01-01	296
2013-01-01	300
2014-01-01	303
2015-01-01	307
2016-01-01	291