Year	Number of Firms
1992-01-01	192
1997-01-01	222
2002-01-01	205
2003-01-01	216
2004-01-01	248
2005-01-01	265
2006-01-01	256
2007-01-01	274
2008-01-01	321
2009-01-01	285
2010-01-01	314
2011-01-01	295
2012-01-01	300
2013-01-01	281
2014-01-01	304
2015-01-01	295
2016-01-01	263