Year	Number of Firms
1992-01-01	72
1997-01-01	79
2002-01-01	114
2003-01-01	122
2004-01-01	131
2005-01-01	149
2006-01-01	176
2007-01-01	187
2008-01-01	216
2009-01-01	257
2010-01-01	235
2011-01-01	295
2012-01-01	303
2013-01-01	282
2014-01-01	286
2015-01-01	255
2016-01-01	224