Year	Number of Firms
1992-01-01	125
1997-01-01	259
2002-01-01	236
2003-01-01	245
2004-01-01	275
2005-01-01	301
2006-01-01	315
2007-01-01	361
2008-01-01	374
2009-01-01	365
2010-01-01	444
2011-01-01	489
2012-01-01	470
2013-01-01	454
2014-01-01	464
2015-01-01	412
2016-01-01	377