Year	Number of Firms
1992-01-01	65
1997-01-01	163
2002-01-01	136
2003-01-01	150
2004-01-01	187
2005-01-01	221
2006-01-01	249
2007-01-01	301
2008-01-01	395
2009-01-01	289
2010-01-01	383
2011-01-01	515
2012-01-01	552
2013-01-01	672
2014-01-01	626
2015-01-01	485
2016-01-01	513