Year	Number of Firms
1992-01-01	92
1997-01-01	129
2002-01-01	171
2003-01-01	179
2004-01-01	186
2005-01-01	180
2006-01-01	182
2007-01-01	211
2008-01-01	230
2009-01-01	204
2010-01-01	245
2011-01-01	253
2012-01-01	258
2013-01-01	269
2014-01-01	250
2015-01-01	243
2016-01-01	224