Year	Number of Firms
1992-01-01	124
1997-01-01	164
2002-01-01	143
2003-01-01	161
2004-01-01	163
2005-01-01	177
2006-01-01	169
2007-01-01	173
2008-01-01	203
2009-01-01	188
2010-01-01	202
2011-01-01	214
2012-01-01	204
2013-01-01	212
2014-01-01	236
2015-01-01	209
2016-01-01	231