Year	Number of Firms
1992-01-01	13
1997-01-01	9
2002-01-01	18
2003-01-01	25
2004-01-01	21
2005-01-01	22
2006-01-01	30
2007-01-01	30
2008-01-01	31
2009-01-01	36
2010-01-01	42
2011-01-01	45
2012-01-01	46
2013-01-01	53
2014-01-01	58
2015-01-01	49
2016-01-01	55