Year	Number of Firms
1992-01-01	26
1997-01-01	12
2002-01-01	48
2003-01-01	46
2004-01-01	42
2005-01-01	42
2006-01-01	48
2007-01-01	46
2008-01-01	52
2009-01-01	42
2010-01-01	31
2011-01-01	41
2012-01-01	19
2013-01-01	17
2014-01-01	14
2015-01-01	18
2016-01-01	8