Year	Number of Firms
1992-01-01	120
1997-01-01	156
2002-01-01	164
2003-01-01	169
2004-01-01	175
2005-01-01	166
2006-01-01	164
2007-01-01	217
2008-01-01	222
2009-01-01	259
2010-01-01	294
2011-01-01	304
2012-01-01	320
2013-01-01	322
2014-01-01	310
2015-01-01	276
2016-01-01	275