Year	Number of Firms
1992-01-01	172
1997-01-01	191
2002-01-01	170
2003-01-01	164
2004-01-01	164
2005-01-01	177
2006-01-01	196
2007-01-01	210
2008-01-01	242
2009-01-01	189
2010-01-01	200
2011-01-01	218
2012-01-01	195
2013-01-01	215
2014-01-01	213
2015-01-01	196
2016-01-01	201