Year	Number of Firms
1992-01-01	365
1997-01-01	424
2002-01-01	427
2003-01-01	436
2004-01-01	461
2005-01-01	468
2006-01-01	452
2007-01-01	570
2008-01-01	551
2009-01-01	502
2010-01-01	551
2011-01-01	594
2012-01-01	531
2013-01-01	575
2014-01-01	560
2015-01-01	569
2016-01-01	556