Year	Number of Firms
1992-01-01	260
1997-01-01	328
2002-01-01	345
2003-01-01	350
2004-01-01	351
2005-01-01	399
2006-01-01	413
2007-01-01	406
2008-01-01	426
2009-01-01	360
2010-01-01	358
2011-01-01	356
2012-01-01	356
2013-01-01	365
2014-01-01	378
2015-01-01	350
2016-01-01	376