Year	Number of Firms
1992-01-01	41
1997-01-01	99
2002-01-01	90
2003-01-01	93
2004-01-01	141
2005-01-01	139
2006-01-01	190
2007-01-01	216
2008-01-01	298
2009-01-01	210
2010-01-01	253
2011-01-01	259
2012-01-01	281
2013-01-01	295
2014-01-01	286
2015-01-01	221
2016-01-01	201