Year	Number of Firms
1992-01-01	82
1997-01-01	74
2002-01-01	99
2003-01-01	116
2004-01-01	170
2005-01-01	171
2006-01-01	182
2007-01-01	189
2008-01-01	206
2009-01-01	207
2010-01-01	216
2011-01-01	218
2012-01-01	232
2013-01-01	227
2014-01-01	226
2015-01-01	233
2016-01-01	239