Year	Number of Firms
1992-01-01	8
1997-01-01	37
2002-01-01	46
2003-01-01	43
2004-01-01	24
2005-01-01	30
2006-01-01	26
2007-01-01	31
2008-01-01	33
2009-01-01	32
2010-01-01	50
2011-01-01	51
2012-01-01	44
2013-01-01	42
2014-01-01	43
2015-01-01	47
2016-01-01	60