Year	Number of Firms
1992-01-01	14
1997-01-01	20
2002-01-01	17
2003-01-01	26
2004-01-01	31
2005-01-01	26
2006-01-01	20
2007-01-01	25
2008-01-01	26
2009-01-01	19
2010-01-01	20
2011-01-01	19
2012-01-01	15
2013-01-01	14
2014-01-01	13
2015-01-01	17
2016-01-01	12