Year	Number of Firms
1992-01-01	31
1997-01-01	54
2002-01-01	88
2003-01-01	94
2004-01-01	111
2005-01-01	122
2006-01-01	150
2007-01-01	176
2008-01-01	182
2009-01-01	185
2010-01-01	200
2011-01-01	200
2012-01-01	205
2013-01-01	180
2014-01-01	189
2015-01-01	204
2016-01-01	200