Year	Number of Firms
1992-01-01	1
1997-01-01	9
2002-01-01	6
2003-01-01	16
2004-01-01	15
2005-01-01	13
2006-01-01	15
2007-01-01	16
2008-01-01	27
2009-01-01	28
2010-01-01	26
2011-01-01	30
2012-01-01	31
2013-01-01	32
2014-01-01	33
2015-01-01	26
2016-01-01	28