Year	Number of Firms
1992-01-01	11
1997-01-01	11
2002-01-01	14
2003-01-01	11
2004-01-01	25
2005-01-01	17
2006-01-01	26
2007-01-01	32
2008-01-01	44
2009-01-01	39
2010-01-01	44
2011-01-01	47
2012-01-01	51
2013-01-01	61
2014-01-01	61
2015-01-01	68
2016-01-01	51