Year	Number of Firms
1992-01-01	2
1997-01-01	5
2002-01-01	12
2003-01-01	16
2004-01-01	12
2005-01-01	11
2006-01-01	21
2007-01-01	21
2008-01-01	28
2009-01-01	35
2010-01-01	30
2011-01-01	27
2012-01-01	24
2013-01-01	29
2014-01-01	40
2015-01-01	37
2016-01-01	28