Year	Number of Firms
1992-01-01	73
1997-01-01	114
2002-01-01	117
2003-01-01	116
2004-01-01	114
2005-01-01	129
2006-01-01	135
2007-01-01	148
2008-01-01	143
2009-01-01	144
2010-01-01	170
2011-01-01	141
2012-01-01	162
2013-01-01	141
2014-01-01	161
2015-01-01	171
2016-01-01	158