Year	Number of Firms
1992-01-01	7
1997-01-01	8
2002-01-01	18
2003-01-01	18
2004-01-01	13
2005-01-01	19
2006-01-01	26
2007-01-01	22
2008-01-01	26
2009-01-01	21
2010-01-01	18
2011-01-01	27
2012-01-01	23
2013-01-01	30
2014-01-01	23
2015-01-01	43
2016-01-01	57