Year	Number of Firms
1992-01-01	107
1997-01-01	157
2002-01-01	195
2003-01-01	202
2004-01-01	291
2005-01-01	409
2006-01-01	418
2007-01-01	498
2008-01-01	555
2009-01-01	341
2010-01-01	369
2011-01-01	451
2012-01-01	489
2013-01-01	471
2014-01-01	458
2015-01-01	331
2016-01-01	368