Year	Number of Firms
1992-01-01	85
1997-01-01	152
2002-01-01	246
2003-01-01	256
2004-01-01	256
2005-01-01	263
2006-01-01	281
2007-01-01	284
2008-01-01	307
2009-01-01	286
2010-01-01	286
2011-01-01	329
2012-01-01	331
2013-01-01	367
2014-01-01	365
2015-01-01	374
2016-01-01	395