Year	Number of Firms
1992-01-01	3
1997-01-01	16
2002-01-01	13
2003-01-01	16
2004-01-01	15
2005-01-01	13
2006-01-01	26
2007-01-01	20
2008-01-01	17
2009-01-01	16
2010-01-01	15
2011-01-01	27
2012-01-01	23
2013-01-01	29
2014-01-01	34
2015-01-01	18
2016-01-01	24