Year	Number of Firms
1992-01-01	10
1997-01-01	16
2002-01-01	18
2003-01-01	11
2004-01-01	19
2005-01-01	21
2006-01-01	19
2007-01-01	18
2008-01-01	24
2009-01-01	19
2010-01-01	34
2011-01-01	25
2012-01-01	27
2013-01-01	21
2014-01-01	24
2015-01-01	26
2016-01-01	17