Year	Number of Firms
1992-01-01	539
1997-01-01	852
2002-01-01	1195
2003-01-01	890
2004-01-01	1366
2005-01-01	1309
2006-01-01	1551
2007-01-01	1398
2008-01-01	1265
2009-01-01	1211
2010-01-01	1291
2011-01-01	1333
2012-01-01	1306
2013-01-01	1345
2014-01-01	1414
2015-01-01	1406
2016-01-01	1316