Year	Number of Firms
1992-01-01	24
1997-01-01	31
2002-01-01	42
2003-01-01	42
2004-01-01	32
2005-01-01	33
2006-01-01	56
2007-01-01	51
2008-01-01	70
2009-01-01	72
2010-01-01	81
2011-01-01	80
2012-01-01	78
2013-01-01	85
2014-01-01	86
2015-01-01	73
2016-01-01	92