Year	Number of Firms
1992-01-01	2
1997-01-01	5
2002-01-01	13
2003-01-01	10
2004-01-01	15
2005-01-01	18
2006-01-01	16
2007-01-01	31
2008-01-01	16
2009-01-01	18
2010-01-01	25
2011-01-01	37
2012-01-01	30
2013-01-01	44
2014-01-01	39
2015-01-01	49
2016-01-01	46