Year	Number of Firms
1992-01-01	69
1997-01-01	130
2002-01-01	138
2003-01-01	137
2004-01-01	165
2005-01-01	160
2006-01-01	182
2007-01-01	223
2008-01-01	275
2009-01-01	224
2010-01-01	248
2011-01-01	303
2012-01-01	286
2013-01-01	325
2014-01-01	319
2015-01-01	377
2016-01-01	379