Year	Number of Firms
1992-01-01	12
1997-01-01	11
2002-01-01	14
2003-01-01	13
2004-01-01	7
2005-01-01	7
2006-01-01	4
2007-01-01	5
2008-01-01	21
2009-01-01	33
2010-01-01	35
2011-01-01	35
2012-01-01	39
2013-01-01	46
2014-01-01	33
2015-01-01	34
2016-01-01	42