Year	Number of Firms
1992-01-01	29
1997-01-01	75
2002-01-01	74
2003-01-01	78
2004-01-01	86
2005-01-01	93
2006-01-01	90
2007-01-01	114
2008-01-01	133
2009-01-01	137
2010-01-01	156
2011-01-01	183
2012-01-01	177
2013-01-01	170
2014-01-01	179
2015-01-01	165
2016-01-01	158