Year	Number of Firms
1992-01-01	134
1997-01-01	161
2002-01-01	201
2003-01-01	207
2004-01-01	231
2005-01-01	216
2006-01-01	266
2007-01-01	312
2008-01-01	312
2009-01-01	267
2010-01-01	272
2011-01-01	316
2012-01-01	294
2013-01-01	294
2014-01-01	287
2015-01-01	252
2016-01-01	272