Year	Number of Firms
1992-01-01	25
1997-01-01	19
2002-01-01	17
2003-01-01	20
2004-01-01	26
2005-01-01	18
2006-01-01	18
2007-01-01	23
2008-01-01	24
2009-01-01	24
2010-01-01	33
2011-01-01	40
2012-01-01	35
2013-01-01	36
2014-01-01	39
2015-01-01	19
2016-01-01	24