Year	Number of Firms
1992-01-01	241
1997-01-01	335
2002-01-01	362
2003-01-01	378
2004-01-01	388
2005-01-01	390
2006-01-01	396
2007-01-01	416
2008-01-01	437
2009-01-01	406
2010-01-01	391
2011-01-01	422
2012-01-01	393
2013-01-01	385
2014-01-01	385
2015-01-01	361
2016-01-01	364