Year	Number of Firms
1992-01-01	207
1997-01-01	264
2002-01-01	203
2003-01-01	148
2004-01-01	187
2005-01-01	195
2006-01-01	202
2007-01-01	194
2008-01-01	168
2009-01-01	140
2010-01-01	158
2011-01-01	153
2012-01-01	152
2013-01-01	139
2014-01-01	111
2015-01-01	78
2016-01-01	49