Year	Number of Firms
1992-01-01	82
1997-01-01	150
2002-01-01	151
2003-01-01	140
2004-01-01	127
2005-01-01	132
2006-01-01	117
2007-01-01	134
2008-01-01	157
2009-01-01	139
2010-01-01	162
2011-01-01	166
2012-01-01	158
2013-01-01	179
2014-01-01	165
2015-01-01	164
2016-01-01	151