Year	Number of Firms
1992-01-01	163
1997-01-01	179
2002-01-01	219
2003-01-01	224
2004-01-01	232
2005-01-01	237
2006-01-01	267
2007-01-01	276
2008-01-01	311
2009-01-01	248
2010-01-01	246
2011-01-01	256
2012-01-01	240
2013-01-01	243
2014-01-01	263
2015-01-01	256
2016-01-01	295