Year	Number of Firms
1992-01-01	103
1997-01-01	161
2002-01-01	141
2003-01-01	151
2004-01-01	158
2005-01-01	145
2006-01-01	163
2007-01-01	173
2008-01-01	192
2009-01-01	174
2010-01-01	220
2011-01-01	220
2012-01-01	207
2013-01-01	226
2014-01-01	196
2015-01-01	198
2016-01-01	173