Year	Number of Firms
1992-01-01	4
1997-01-01	3
2002-01-01	4
2003-01-01	2
2004-01-01	13
2005-01-01	12
2006-01-01	6
2007-01-01	31
2008-01-01	39
2009-01-01	30
2010-01-01	50
2011-01-01	51
2012-01-01	55
2013-01-01	61
2014-01-01	76
2015-01-01	64
2016-01-01	46
