Year	Number of Firms
1992-01-01	92
1997-01-01	178
2002-01-01	169
2003-01-01	188
2004-01-01	201
2005-01-01	214
2006-01-01	222
2007-01-01	245
2008-01-01	266
2009-01-01	270
2010-01-01	328
2011-01-01	327
2012-01-01	358
2013-01-01	356
2014-01-01	350
2015-01-01	384
2016-01-01	372
