Year	Number of Firms
1992-01-01	5
1997-01-01	8
2002-01-01	7
2003-01-01	10
2004-01-01	11
2005-01-01	11
2006-01-01	16
2007-01-01	17
2008-01-01	16
2009-01-01	15
2010-01-01	24
2011-01-01	29
2012-01-01	36
2013-01-01	26
2014-01-01	29
2015-01-01	32
2016-01-01	30