Year	Number of Firms
1992-01-01	98
1997-01-01	165
2002-01-01	192
2003-01-01	209
2004-01-01	210
2005-01-01	222
2006-01-01	233
2007-01-01	280
2008-01-01	280
2009-01-01	288
2010-01-01	329
2011-01-01	321
2012-01-01	309
2013-01-01	320
2014-01-01	314
2015-01-01	294
2016-01-01	266