Year	Number of Firms
1992-01-01	9328
1997-01-01	14468
2002-01-01	15627
2003-01-01	15821
2004-01-01	16486
2005-01-01	17362
2006-01-01	17494
2007-01-01	19232
2008-01-01	20997
2009-01-01	20069
2010-01-01	20427
2011-01-01	21124
2012-01-01	21113
2013-01-01	20783
2014-01-01	20718
2015-01-01	20020
2016-01-01	20281
