Year	Number of Firms
1992-01-01	116
1997-01-01	172
2002-01-01	193
2003-01-01	173
2004-01-01	203
2005-01-01	222
2006-01-01	212
2007-01-01	239
2008-01-01	248
2009-01-01	218
2010-01-01	238
2011-01-01	256
2012-01-01	266
2013-01-01	274
2014-01-01	278
2015-01-01	256
2016-01-01	287