Year	Number of Firms
1992-01-01	116
1997-01-01	183
2002-01-01	217
2003-01-01	221
2004-01-01	306
2005-01-01	268
2006-01-01	334
2007-01-01	348
2008-01-01	377
2009-01-01	399
2010-01-01	406
2011-01-01	454
2012-01-01	463
2013-01-01	498
2014-01-01	588
2015-01-01	533
2016-01-01	541