Year	Number of Firms
1992-01-01	6
1997-01-01	9
2002-01-01	9
2003-01-01	16
2004-01-01	12
2005-01-01	15
2006-01-01	18
2007-01-01	22
2008-01-01	23
2009-01-01	26
2010-01-01	36
2011-01-01	38
2012-01-01	42
2013-01-01	21
2014-01-01	30
2015-01-01	25
2016-01-01	28