Year	Number of Firms
1992-01-01	127
1997-01-01	234
2002-01-01	227
2003-01-01	182
2004-01-01	219
2005-01-01	217
2006-01-01	226
2007-01-01	213
2008-01-01	262
2009-01-01	269
2010-01-01	256
2011-01-01	265
2012-01-01	272
2013-01-01	263
2014-01-01	259
2015-01-01	268
2016-01-01	257