Year	Number of Firms
1992-01-01	5
1997-01-01	4
2002-01-01	9
2003-01-01	13
2004-01-01	14
2005-01-01	22
2006-01-01	31
2007-01-01	47
2008-01-01	51
2009-01-01	34
2010-01-01	43
2011-01-01	59
2012-01-01	64
2013-01-01	66
2014-01-01	48
2015-01-01	46
2016-01-01	48