Year	Number of Firms
1992-01-01	165
1997-01-01	188
2002-01-01	204
2003-01-01	194
2004-01-01	221
2005-01-01	225
2006-01-01	206
2007-01-01	241
2008-01-01	259
2009-01-01	237
2010-01-01	212
2011-01-01	232
2012-01-01	221
2013-01-01	195
2014-01-01	213
2015-01-01	217
2016-01-01	222