Year	Number of Firms
1992-01-01	155
1997-01-01	156
2002-01-01	166
2003-01-01	161
2004-01-01	163
2005-01-01	168
2006-01-01	157
2007-01-01	181
2008-01-01	187
2009-01-01	171
2010-01-01	171
2011-01-01	165
2012-01-01	146
2013-01-01	135
2014-01-01	129
2015-01-01	115
2016-01-01	151