Year	Number of Firms
1992-01-01	130
1997-01-01	172
2002-01-01	163
2003-01-01	172
2004-01-01	162
2005-01-01	182
2006-01-01	175
2007-01-01	172
2008-01-01	192
2009-01-01	179
2010-01-01	171
2011-01-01	198
2012-01-01	181
2013-01-01	191
2014-01-01	202
2015-01-01	176
2016-01-01	189