Year	Number of Firms
1992-01-01	194
1997-01-01	220
2002-01-01	218
2003-01-01	235
2004-01-01	251
2005-01-01	247
2006-01-01	262
2007-01-01	274
2008-01-01	280
2009-01-01	258
2010-01-01	262
2011-01-01	277
2012-01-01	254
2013-01-01	256
2014-01-01	239
2015-01-01	279
2016-01-01	272