Year	Number of Firms
1992-01-01	121
1997-01-01	181
2002-01-01	200
2003-01-01	188
2004-01-01	189
2005-01-01	199
2006-01-01	232
2007-01-01	252
2008-01-01	256
2009-01-01	261
2010-01-01	292
2011-01-01	299
2012-01-01	275
2013-01-01	288
2014-01-01	277
2015-01-01	266
2016-01-01	282