Year	Number of Firms
1992-01-01	42
1997-01-01	117
2002-01-01	118
2003-01-01	125
2004-01-01	154
2005-01-01	134
2006-01-01	146
2007-01-01	164
2008-01-01	196
2009-01-01	196
2010-01-01	226
2011-01-01	245
2012-01-01	278
2013-01-01	278
2014-01-01	287
2015-01-01	229
2016-01-01	192