Year	Number of Firms
1992-01-01	2
1997-01-01	2
2002-01-01	12
2003-01-01	37
2004-01-01	49
2005-01-01	51
2006-01-01	67
2007-01-01	63
2008-01-01	68
2009-01-01	105
2010-01-01	134
2011-01-01	114
2012-01-01	119
2013-01-01	98
2014-01-01	84
2015-01-01	70
2016-01-01	77