Year	Number of Firms
1992-01-01	105
1997-01-01	188
2002-01-01	119
2003-01-01	138
2004-01-01	145
2005-01-01	167
2006-01-01	173
2007-01-01	189
2008-01-01	212
2009-01-01	190
2010-01-01	194
2011-01-01	223
2012-01-01	218
2013-01-01	219
2014-01-01	206
2015-01-01	238
2016-01-01	227
