Year	Number of Firms
1992-01-01	747
1997-01-01	1013
2002-01-01	1241
2003-01-01	1259
2004-01-01	1363
2005-01-01	1396
2006-01-01	1334
2007-01-01	1391
2008-01-01	1480
2009-01-01	1502
2010-01-01	1649
2011-01-01	1640
2012-01-01	1516
2013-01-01	1498
2014-01-01	1507
2015-01-01	1529
2016-01-01	1567