Year	Number of Firms
1992-01-01	14
1997-01-01	58
2002-01-01	106
2003-01-01	129
2004-01-01	143
2005-01-01	138
2006-01-01	158
2007-01-01	166
2008-01-01	171
2009-01-01	178
2010-01-01	189
2011-01-01	201
2012-01-01	186
2013-01-01	179
2014-01-01	190
2015-01-01	177
2016-01-01	177