Year	Number of Firms
1992-01-01	16
1997-01-01	20
2002-01-01	29
2003-01-01	18
2004-01-01	28
2005-01-01	23
2006-01-01	22
2007-01-01	26
2008-01-01	36
2009-01-01	39
2010-01-01	42
2011-01-01	47
2012-01-01	48
2013-01-01	39
2014-01-01	57
2015-01-01	50
2016-01-01	49