Year	Number of Firms
1992-01-01	174
1997-01-01	234
2002-01-01	279
2003-01-01	294
2004-01-01	310
2005-01-01	359
2006-01-01	328
2007-01-01	353
2008-01-01	390
2009-01-01	351
2010-01-01	360
2011-01-01	376
2012-01-01	370
2013-01-01	381
2014-01-01	388
2015-01-01	401
2016-01-01	403