Year	Number of Firms
1992-01-01	108
1997-01-01	155
2002-01-01	181
2003-01-01	183
2004-01-01	202
2005-01-01	209
2006-01-01	227
2007-01-01	262
2008-01-01	281
2009-01-01	247
2010-01-01	274
2011-01-01	286
2012-01-01	284
2013-01-01	271
2014-01-01	283
2015-01-01	267
2016-01-01	287