Year	Number of Firms
1992-01-01	248
1997-01-01	288
2002-01-01	319
2003-01-01	307
2004-01-01	310
2005-01-01	351
2006-01-01	337
2007-01-01	386
2008-01-01	391
2009-01-01	371
2010-01-01	370
2011-01-01	378
2012-01-01	360
2013-01-01	377
2014-01-01	400
2015-01-01	394
2016-01-01	408