Year	Number of Firms
1992-01-01	262
1997-01-01	237
2002-01-01	309
2003-01-01	279
2004-01-01	287
2005-01-01	264
2006-01-01	291
2007-01-01	327
2008-01-01	327
2009-01-01	322
2010-01-01	316
2011-01-01	332
2012-01-01	342
2013-01-01	320
2014-01-01	343
2015-01-01	307
2016-01-01	330