Year	Number of Firms
1992-01-01	8
1997-01-01	13
2002-01-01	22
2003-01-01	31
2004-01-01	27
2005-01-01	25
2006-01-01	37
2007-01-01	36
2008-01-01	61
2009-01-01	46
2010-01-01	39
2011-01-01	49
2012-01-01	62
2013-01-01	49
2014-01-01	38
2015-01-01	33
2016-01-01	28