Year	Number of Firms
1992-01-01	29
1997-01-01	39
2002-01-01	25
2003-01-01	20
2004-01-01	33
2005-01-01	37
2006-01-01	42
2007-01-01	37
2008-01-01	51
2009-01-01	46
2010-01-01	45
2011-01-01	60
2012-01-01	64
2013-01-01	71
2014-01-01	62
2015-01-01	47
2016-01-01	57