Year	Number of Firms
1992-01-01	34
1997-01-01	58
2002-01-01	50
2003-01-01	51
2004-01-01	86
2005-01-01	407
2006-01-01	192
2007-01-01	245
2008-01-01	157
2009-01-01	82
2010-01-01	76
2011-01-01	75
2012-01-01	73
2013-01-01	60
2014-01-01	58
2015-01-01	55
2016-01-01	44