Year	Number of Firms
1992-01-01	173
1997-01-01	251
2002-01-01	224
2003-01-01	252
2004-01-01	295
2005-01-01	327
2006-01-01	325
2007-01-01	358
2008-01-01	372
2009-01-01	353
2010-01-01	388
2011-01-01	461
2012-01-01	428
2013-01-01	417
2014-01-01	412
2015-01-01	428
2016-01-01	384