Year	Number of Firms
1992-01-01	53
1997-01-01	93
2002-01-01	79
2003-01-01	95
2004-01-01	93
2005-01-01	89
2006-01-01	96
2007-01-01	110
2008-01-01	141
2009-01-01	134
2010-01-01	153
2011-01-01	165
2012-01-01	154
2013-01-01	137
2014-01-01	131
2015-01-01	131
2016-01-01	136