Year	Number of Firms
1992-01-01	120
1997-01-01	232
2002-01-01	249
2003-01-01	242
2004-01-01	319
2005-01-01	314
2006-01-01	309
2007-01-01	306
2008-01-01	319
2009-01-01	363
2010-01-01	324
2011-01-01	329
2012-01-01	322
2013-01-01	307
2014-01-01	371
2015-01-01	351
2016-01-01	363