Year	Number of Firms
1992-01-01	34
1997-01-01	142
2002-01-01	174
2003-01-01	191
2004-01-01	250
2005-01-01	301
2006-01-01	297
2007-01-01	385
2008-01-01	446
2009-01-01	323
2010-01-01	349
2011-01-01	336
2012-01-01	364
2013-01-01	401
2014-01-01	326
2015-01-01	264
2016-01-01	364