Year	Number of Firms
1992-01-01	1
1997-01-01	6
2002-01-01	14
2003-01-01	18
2004-01-01	17
2005-01-01	24
2006-01-01	16
2007-01-01	19
2008-01-01	16
2009-01-01	29
2010-01-01	23
2011-01-01	18
2012-01-01	12
2013-01-01	17
2014-01-01	14
2015-01-01	9
2016-01-01	15