Year	Number of Firms
1992-01-01	54
1997-01-01	90
2002-01-01	107
2003-01-01	111
2004-01-01	91
2005-01-01	126
2006-01-01	118
2007-01-01	130
2008-01-01	148
2009-01-01	157
2010-01-01	191
2011-01-01	192
2012-01-01	240
2013-01-01	219
2014-01-01	230
2015-01-01	225
2016-01-01	251