Year	Number of Firms
1992-01-01	84
1997-01-01	139
2002-01-01	113
2003-01-01	130
2004-01-01	134
2005-01-01	170
2006-01-01	152
2007-01-01	166
2008-01-01	200
2009-01-01	172
2010-01-01	221
2011-01-01	260
2012-01-01	216
2013-01-01	213
2014-01-01	207
2015-01-01	161
2016-01-01	145