Year	Number of Firms
1992-01-01	24
1997-01-01	70
2002-01-01	97
2003-01-01	114
2004-01-01	121
2005-01-01	129
2006-01-01	146
2007-01-01	137
2008-01-01	147
2009-01-01	133
2010-01-01	129
2011-01-01	147
2012-01-01	152
2013-01-01	166
2014-01-01	173
2015-01-01	167
2016-01-01	169