Year	Number of Firms
1992-01-01	13
1997-01-01	30
2002-01-01	12
2003-01-01	8
2004-01-01	8
2005-01-01	15
2006-01-01	11
2007-01-01	13
2008-01-01	15
2009-01-01	21
2010-01-01	25
2011-01-01	34
2012-01-01	33
2013-01-01	31
2014-01-01	34
2015-01-01	27
2016-01-01	24