Year	Number of Firms
1992-01-01	34
1997-01-01	54
2002-01-01	89
2003-01-01	98
2004-01-01	105
2005-01-01	145
2006-01-01	156
2007-01-01	144
2008-01-01	158
2009-01-01	143
2010-01-01	141
2011-01-01	132
2012-01-01	166
2013-01-01	170
2014-01-01	165
2015-01-01	167
2016-01-01	167