Year	Number of Firms
1992-01-01	139
1997-01-01	221
2002-01-01	207
2003-01-01	253
2004-01-01	278
2005-01-01	290
2006-01-01	293
2007-01-01	330
2008-01-01	322
2009-01-01	301
2010-01-01	333
2011-01-01	368
2012-01-01	341
2013-01-01	358
2014-01-01	331
2015-01-01	340
2016-01-01	308