Year	Number of Firms
1992-01-01	1
1997-01-01	7
2002-01-01	5
2003-01-01	7
2004-01-01	6
2005-01-01	5
2006-01-01	5
2007-01-01	6
2008-01-01	18
2009-01-01	13
2010-01-01	18
2011-01-01	15
2012-01-01	14
2013-01-01	19
2014-01-01	13
2015-01-01	11
2016-01-01	10
