Year	Number of Firms
1992-01-01	28
1997-01-01	20
2002-01-01	29
2003-01-01	27
2004-01-01	24
2005-01-01	32
2006-01-01	59
2007-01-01	55
2008-01-01	89
2009-01-01	109
2010-01-01	103
2011-01-01	112
2012-01-01	140
2013-01-01	131
2014-01-01	94
2015-01-01	83
2016-01-01	73