Year	Number of Firms
1992-01-01	104
1997-01-01	199
2002-01-01	201
2003-01-01	199
2004-01-01	197
2005-01-01	215
2006-01-01	205
2007-01-01	213
2008-01-01	204
2009-01-01	224
2010-01-01	247
2011-01-01	270
2012-01-01	307
2013-01-01	290
2014-01-01	304
2015-01-01	302
2016-01-01	305