Year	Number of Firms
1992-01-01	5
1997-01-01	9
2002-01-01	10
2003-01-01	15
2004-01-01	26
2005-01-01	24
2006-01-01	21
2007-01-01	32
2008-01-01	21
2009-01-01	23
2010-01-01	18
2011-01-01	31
2012-01-01	21
2013-01-01	23
2014-01-01	27
2015-01-01	26
2016-01-01	29