Year	Number of Firms
1992-01-01	3
1997-01-01	12
2002-01-01	9
2003-01-01	10
2004-01-01	10
2005-01-01	16
2006-01-01	17
2007-01-01	22
2008-01-01	23
2009-01-01	29
2010-01-01	46
2011-01-01	34
2012-01-01	31
2013-01-01	34
2014-01-01	37
2015-01-01	46
2016-01-01	33