Year	Number of Firms
1992-01-01	96
1997-01-01	171
2002-01-01	126
2003-01-01	139
2004-01-01	144
2005-01-01	139
2006-01-01	164
2007-01-01	157
2008-01-01	193
2009-01-01	178
2010-01-01	174
2011-01-01	218
2012-01-01	199
2013-01-01	207
2014-01-01	224
2015-01-01	213
2016-01-01	188