Year	Number of Firms
1992-01-01	174
1997-01-01	197
2002-01-01	231
2003-01-01	213
2004-01-01	250
2005-01-01	249
2006-01-01	283
2007-01-01	304
2008-01-01	332
2009-01-01	330
2010-01-01	322
2011-01-01	378
2012-01-01	347
2013-01-01	311
2014-01-01	331
2015-01-01	293
2016-01-01	260