Year	Number of Firms
1992-01-01	179
1997-01-01	197
2002-01-01	241
2003-01-01	269
2004-01-01	249
2005-01-01	226
2006-01-01	215
2007-01-01	238
2008-01-01	309
2009-01-01	315
2010-01-01	299
2011-01-01	312
2012-01-01	318
2013-01-01	357
2014-01-01	413
2015-01-01	369
2016-01-01	318