Year	Number of Firms
1992-01-01	1
1997-01-01	2
2002-01-01	13
2003-01-01	26
2004-01-01	27
2005-01-01	24
2006-01-01	37
2007-01-01	26
2008-01-01	16
2009-01-01	30
2010-01-01	31
2011-01-01	38
2012-01-01	33
2013-01-01	21
2014-01-01	28
2015-01-01	24
2016-01-01	14