Year	Number of Firms
1992-01-01	23
1997-01-01	27
2002-01-01	44
2003-01-01	47
2004-01-01	38
2005-01-01	39
2006-01-01	47
2007-01-01	46
2008-01-01	44
2009-01-01	47
2010-01-01	34
2011-01-01	30
2012-01-01	31
2013-01-01	33
2014-01-01	40
2015-01-01	37
2016-01-01	37