Year	Number of Firms
1992-01-01	71
1997-01-01	116
2002-01-01	80
2003-01-01	86
2004-01-01	81
2005-01-01	108
2006-01-01	112
2007-01-01	116
2008-01-01	134
2009-01-01	121
2010-01-01	157
2011-01-01	178
2012-01-01	182
2013-01-01	173
2014-01-01	173
2015-01-01	169
2016-01-01	167