Year	Number of Firms
1992-01-01	56
1997-01-01	115
2002-01-01	182
2003-01-01	173
2004-01-01	200
2005-01-01	226
2006-01-01	206
2007-01-01	251
2008-01-01	255
2009-01-01	343
2010-01-01	403
2011-01-01	368
2012-01-01	372
2013-01-01	390
2014-01-01	288
2015-01-01	296
2016-01-01	345