Year	Number of Firms
1992-01-01	108
1997-01-01	180
2002-01-01	225
2003-01-01	207
2004-01-01	222
2005-01-01	239
2006-01-01	267
2007-01-01	265
2008-01-01	297
2009-01-01	300
2010-01-01	329
2011-01-01	353
2012-01-01	346
2013-01-01	351
2014-01-01	332
2015-01-01	344
2016-01-01	364