Year	Number of Firms
1992-01-01	8
1997-01-01	8
2002-01-01	10
2003-01-01	7
2004-01-01	5
2005-01-01	6
2006-01-01	10
2007-01-01	11
2008-01-01	15
2009-01-01	18
2010-01-01	23
2011-01-01	24
2012-01-01	22
2013-01-01	24
2014-01-01	26
2015-01-01	23
2016-01-01	21