Year	Number of Firms
1992-01-01	912
1997-01-01	1242
2002-01-01	1285
2003-01-01	1310
2004-01-01	1264
2005-01-01	1205
2006-01-01	1239
2007-01-01	1297
2008-01-01	1319
2009-01-01	1237
2010-01-01	1249
2011-01-01	1297
2012-01-01	1362
2013-01-01	1273
2014-01-01	1308
2015-01-01	1239
2016-01-01	1256