Year	Number of Firms
1992-01-01	1
1997-01-01	4
2002-01-01	9
2003-01-01	9
2004-01-01	11
2005-01-01	15
2006-01-01	9
2007-01-01	15
2008-01-01	19
2009-01-01	23
2010-01-01	26
2011-01-01	11
2012-01-01	13
2013-01-01	15
2014-01-01	13
2015-01-01	20
2016-01-01	18