Year	Number of Firms
1992-01-01	32
1997-01-01	36
2002-01-01	64
2003-01-01	74
2004-01-01	88
2005-01-01	77
2006-01-01	78
2007-01-01	96
2008-01-01	113
2009-01-01	118
2010-01-01	116
2011-01-01	129
2012-01-01	144
2013-01-01	144
2014-01-01	146
2015-01-01	144
2016-01-01	129