Year	Number of Firms
1992-01-01	8
1997-01-01	13
2002-01-01	13
2003-01-01	21
2004-01-01	23
2005-01-01	31
2006-01-01	30
2007-01-01	32
2008-01-01	41
2009-01-01	44
2010-01-01	31
2011-01-01	54
2012-01-01	59
2013-01-01	71
2014-01-01	60
2015-01-01	41
2016-01-01	30