Year	Number of Firms
1992-01-01	86
1997-01-01	184
2002-01-01	285
2003-01-01	270
2004-01-01	266
2005-01-01	303
2006-01-01	348
2007-01-01	388
2008-01-01	430
2009-01-01	408
2010-01-01	469
2011-01-01	471
2012-01-01	473
2013-01-01	502
2014-01-01	516
2015-01-01	522
2016-01-01	556