Year	Number of Firms
1992-01-01	193
1997-01-01	281
2002-01-01	329
2003-01-01	279
2004-01-01	328
2005-01-01	372
2006-01-01	432
2007-01-01	513
2008-01-01	618
2009-01-01	648
2010-01-01	634
2011-01-01	516
2012-01-01	528
2013-01-01	518
2014-01-01	467
2015-01-01	485
2016-01-01	415