Year	Number of Firms
1992-01-01	123
1997-01-01	159
2002-01-01	199
2003-01-01	176
2004-01-01	196
2005-01-01	224
2006-01-01	219
2007-01-01	229
2008-01-01	285
2009-01-01	251
2010-01-01	281
2011-01-01	287
2012-01-01	294
2013-01-01	296
2014-01-01	311
2015-01-01	311
2016-01-01	283