Year	Number of Firms
1992-01-01	3
1997-01-01	6
2002-01-01	6
2003-01-01	8
2004-01-01	11
2005-01-01	11
2006-01-01	14
2007-01-01	24
2008-01-01	23
2009-01-01	22
2010-01-01	19
2011-01-01	30
2012-01-01	27
2013-01-01	33
2014-01-01	29
2015-01-01	25
2016-01-01	17