Year	Number of Firms
1992-01-01	109
1997-01-01	197
2002-01-01	244
2003-01-01	242
2004-01-01	231
2005-01-01	249
2006-01-01	255
2007-01-01	260
2008-01-01	263
2009-01-01	217
2010-01-01	247
2011-01-01	237
2012-01-01	214
2013-01-01	195
2014-01-01	234
2015-01-01	205
2016-01-01	213
