Year	Number of Firms
1992-01-01	1
1997-01-01	5
2002-01-01	5
2003-01-01	9
2004-01-01	8
2005-01-01	16
2006-01-01	16
2007-01-01	14
2008-01-01	22
2009-01-01	21
2010-01-01	15
2011-01-01	22
2012-01-01	19
2013-01-01	22
2014-01-01	22
2015-01-01	33
2016-01-01	40