Year	Number of Firms
1992-01-01	73
1997-01-01	152
2002-01-01	142
2003-01-01	145
2004-01-01	140
2005-01-01	146
2006-01-01	154
2007-01-01	154
2008-01-01	184
2009-01-01	170
2010-01-01	180
2011-01-01	161
2012-01-01	203
2013-01-01	198
2014-01-01	186
2015-01-01	195
2016-01-01	203