Year	Number of Firms
1992-01-01	10
1997-01-01	11
2002-01-01	24
2003-01-01	25
2004-01-01	21
2005-01-01	30
2006-01-01	29
2007-01-01	41
2008-01-01	53
2009-01-01	49
2010-01-01	49
2011-01-01	44
2012-01-01	52
2013-01-01	66
2014-01-01	61
2015-01-01	57
2016-01-01	64