Year	Number of Firms
1992-01-01	6
1997-01-01	5
2002-01-01	22
2003-01-01	24
2004-01-01	26
2005-01-01	27
2006-01-01	33
2007-01-01	33
2008-01-01	48
2009-01-01	44
2010-01-01	38
2011-01-01	49
2012-01-01	53
2013-01-01	42
2014-01-01	52
2015-01-01	49
2016-01-01	31