Year	Number of Firms
1992-01-01	8
1997-01-01	20
2002-01-01	10
2003-01-01	17
2004-01-01	24
2005-01-01	27
2006-01-01	28
2007-01-01	23
2008-01-01	22
2009-01-01	27
2010-01-01	43
2011-01-01	41
2012-01-01	30
2013-01-01	35
2014-01-01	31
2015-01-01	29
2016-01-01	24