Year	Number of Firms
1992-01-01	203
1997-01-01	269
2002-01-01	280
2003-01-01	274
2004-01-01	294
2005-01-01	288
2006-01-01	331
2007-01-01	315
2008-01-01	332
2009-01-01	314
2010-01-01	330
2011-01-01	320
2012-01-01	375
2013-01-01	349
2014-01-01	343
2015-01-01	325
2016-01-01	346