Year	Number of Firms
1992-01-01	260
1997-01-01	329
2002-01-01	322
2003-01-01	328
2004-01-01	365
2005-01-01	368
2006-01-01	356
2007-01-01	375
2008-01-01	413
2009-01-01	345
2010-01-01	356
2011-01-01	423
2012-01-01	371
2013-01-01	375
2014-01-01	361
2015-01-01	292
2016-01-01	291