Year	Number of Firms
1992-01-01	8
1997-01-01	16
2002-01-01	17
2003-01-01	21
2004-01-01	13
2005-01-01	17
2006-01-01	27
2007-01-01	29
2008-01-01	27
2009-01-01	30
2010-01-01	22
2011-01-01	29
2012-01-01	33
2013-01-01	31
2014-01-01	39
2015-01-01	32
2016-01-01	38