Year	Number of Firms
1992-01-01	143
1997-01-01	204
2002-01-01	207
2003-01-01	218
2004-01-01	249
2005-01-01	235
2006-01-01	254
2007-01-01	282
2008-01-01	292
2009-01-01	284
2010-01-01	316
2011-01-01	323
2012-01-01	323
2013-01-01	322
2014-01-01	322
2015-01-01	301
2016-01-01	318