Year	Number of Firms
1992-01-01	193
1997-01-01	215
2002-01-01	198
2003-01-01	213
2004-01-01	227
2005-01-01	266
2006-01-01	256
2007-01-01	300
2008-01-01	317
2009-01-01	305
2010-01-01	336
2011-01-01	322
2012-01-01	351
2013-01-01	330
2014-01-01	358
2015-01-01	320
2016-01-01	318