Year	Number of Firms
1992-01-01	144
1997-01-01	229
2002-01-01	273
2003-01-01	299
2004-01-01	310
2005-01-01	324
2006-01-01	323
2007-01-01	349
2008-01-01	358
2009-01-01	333
2010-01-01	351
2011-01-01	378
2012-01-01	398
2013-01-01	385
2014-01-01	394
2015-01-01	386
2016-01-01	384