Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	9
2003-01-01	11
2004-01-01	8
2005-01-01	4
2006-01-01	13
2007-01-01	16
2008-01-01	19
2009-01-01	16
2010-01-01	21
2011-01-01	30
2012-01-01	31
2013-01-01	28
2014-01-01	31
2015-01-01	28
2016-01-01	32