Year	Number of Firms
1992-01-01	112
1997-01-01	215
2002-01-01	242
2003-01-01	255
2004-01-01	267
2005-01-01	263
2006-01-01	267
2007-01-01	282
2008-01-01	311
2009-01-01	289
2010-01-01	296
2011-01-01	328
2012-01-01	316
2013-01-01	333
2014-01-01	349
2015-01-01	346
2016-01-01	340