Year	Number of Firms
1992-01-01	78
1997-01-01	125
2002-01-01	188
2003-01-01	153
2004-01-01	181
2005-01-01	193
2006-01-01	215
2007-01-01	222
2008-01-01	230
2009-01-01	197
2010-01-01	209
2011-01-01	216
2012-01-01	230
2013-01-01	222
2014-01-01	231
2015-01-01	231
2016-01-01	232