Year	Number of Firms
1992-01-01	98
1997-01-01	150
2002-01-01	170
2003-01-01	173
2004-01-01	161
2005-01-01	183
2006-01-01	212
2007-01-01	210
2008-01-01	219
2009-01-01	244
2010-01-01	258
2011-01-01	259
2012-01-01	270
2013-01-01	296
2014-01-01	280
2015-01-01	287
2016-01-01	276