Year	Number of Firms
1992-01-01	8
1997-01-01	21
2002-01-01	22
2003-01-01	30
2004-01-01	33
2005-01-01	35
2006-01-01	40
2007-01-01	44
2008-01-01	41
2009-01-01	61
2010-01-01	57
2011-01-01	62
2012-01-01	65
2013-01-01	103
2014-01-01	88
2015-01-01	76
2016-01-01	66