Year	Number of Firms
1992-01-01	133
1997-01-01	173
2002-01-01	156
2003-01-01	164
2004-01-01	169
2005-01-01	203
2006-01-01	200
2007-01-01	217
2008-01-01	224
2009-01-01	203
2010-01-01	224
2011-01-01	216
2012-01-01	209
2013-01-01	210
2014-01-01	242
2015-01-01	229
2016-01-01	208