Year	Number of Firms
1992-01-01	198
1997-01-01	233
2002-01-01	219
2003-01-01	226
2004-01-01	246
2005-01-01	255
2006-01-01	255
2007-01-01	299
2008-01-01	301
2009-01-01	257
2010-01-01	249
2011-01-01	240
2012-01-01	210
2013-01-01	221
2014-01-01	211
2015-01-01	226
2016-01-01	241