Year	Number of Firms
1992-01-01	7
1997-01-01	5
2002-01-01	20
2003-01-01	12
2004-01-01	12
2005-01-01	12
2006-01-01	23
2007-01-01	23
2008-01-01	29
2009-01-01	24
2010-01-01	41
2011-01-01	47
2012-01-01	44
2013-01-01	44
2014-01-01	56
2015-01-01	36
2016-01-01	39
