Year	Number of Firms
1992-01-01	211
1997-01-01	366
2002-01-01	345
2003-01-01	334
2004-01-01	346
2005-01-01	385
2006-01-01	381
2007-01-01	386
2008-01-01	418
2009-01-01	396
2010-01-01	396
2011-01-01	422
2012-01-01	412
2013-01-01	448
2014-01-01	436
2015-01-01	445
2016-01-01	448