Year	Number of Firms
1992-01-01	86
1997-01-01	135
2002-01-01	120
2003-01-01	147
2004-01-01	158
2005-01-01	158
2006-01-01	143
2007-01-01	165
2008-01-01	204
2009-01-01	163
2010-01-01	165
2011-01-01	192
2012-01-01	163
2013-01-01	169
2014-01-01	186
2015-01-01	177
2016-01-01	195