Year	Number of Firms
1992-01-01	93
1997-01-01	142
2002-01-01	117
2003-01-01	141
2004-01-01	156
2005-01-01	170
2006-01-01	165
2007-01-01	184
2008-01-01	185
2009-01-01	191
2010-01-01	189
2011-01-01	202
2012-01-01	178
2013-01-01	189
2014-01-01	180
2015-01-01	163
2016-01-01	131