Year	Number of Firms
1992-01-01	78
1997-01-01	204
2002-01-01	176
2003-01-01	187
2004-01-01	217
2005-01-01	262
2006-01-01	300
2007-01-01	324
2008-01-01	384
2009-01-01	307
2010-01-01	324
2011-01-01	387
2012-01-01	451
2013-01-01	461
2014-01-01	454
2015-01-01	363
2016-01-01	340