Year	Number of Firms
1992-01-01	152
1997-01-01	184
2002-01-01	161
2003-01-01	175
2004-01-01	187
2005-01-01	186
2006-01-01	194
2007-01-01	221
2008-01-01	221
2009-01-01	194
2010-01-01	201
2011-01-01	218
2012-01-01	204
2013-01-01	189
2014-01-01	193
2015-01-01	194
2016-01-01	188