Year	Number of Firms
1992-01-01	188
1997-01-01	244
2002-01-01	292
2003-01-01	299
2004-01-01	301
2005-01-01	322
2006-01-01	325
2007-01-01	344
2008-01-01	376
2009-01-01	348
2010-01-01	373
2011-01-01	426
2012-01-01	424
2013-01-01	424
2014-01-01	439
2015-01-01	453
2016-01-01	441