Year	Number of Firms
1992-01-01	78
1997-01-01	185
2002-01-01	176
2003-01-01	197
2004-01-01	202
2005-01-01	187
2006-01-01	194
2007-01-01	226
2008-01-01	254
2009-01-01	233
2010-01-01	238
2011-01-01	272
2012-01-01	283
2013-01-01	298
2014-01-01	296
2015-01-01	270
2016-01-01	287
