Year	Number of Firms
1992-01-01	77
1997-01-01	144
2002-01-01	158
2003-01-01	142
2004-01-01	168
2005-01-01	172
2006-01-01	180
2007-01-01	218
2008-01-01	220
2009-01-01	238
2010-01-01	273
2011-01-01	294
2012-01-01	292
2013-01-01	303
2014-01-01	324
2015-01-01	314
2016-01-01	307