Year	Number of Firms
1992-01-01	5
1997-01-01	16
2002-01-01	19
2003-01-01	22
2004-01-01	20
2005-01-01	17
2006-01-01	22
2007-01-01	40
2008-01-01	40
2009-01-01	30
2010-01-01	54
2011-01-01	51
2012-01-01	54
2013-01-01	44
2014-01-01	56
2015-01-01	67
2016-01-01	86