Year	Number of Firms
1992-01-01	145
1997-01-01	177
2002-01-01	190
2003-01-01	197
2004-01-01	215
2005-01-01	217
2006-01-01	243
2007-01-01	298
2008-01-01	277
2009-01-01	236
2010-01-01	240
2011-01-01	254
2012-01-01	247
2013-01-01	256
2014-01-01	231
2015-01-01	229
2016-01-01	228