Year	Number of Firms
1992-01-01	9
1997-01-01	15
2002-01-01	17
2003-01-01	23
2004-01-01	20
2005-01-01	28
2006-01-01	26
2007-01-01	34
2008-01-01	26
2009-01-01	26
2010-01-01	22
2011-01-01	12
2012-01-01	7
2013-01-01	13
2014-01-01	11
2015-01-01	20
2016-01-01	12