Year	Number of Firms
1992-01-01	114
1997-01-01	179
2002-01-01	182
2003-01-01	185
2004-01-01	209
2005-01-01	220
2006-01-01	242
2007-01-01	254
2008-01-01	286
2009-01-01	308
2010-01-01	336
2011-01-01	327
2012-01-01	305
2013-01-01	288
2014-01-01	320
2015-01-01	314
2016-01-01	266