Year	Number of Firms
1992-01-01	135
1997-01-01	132
2002-01-01	133
2003-01-01	140
2004-01-01	150
2005-01-01	162
2006-01-01	158
2007-01-01	167
2008-01-01	199
2009-01-01	191
2010-01-01	187
2011-01-01	168
2012-01-01	178
2013-01-01	182
2014-01-01	175
2015-01-01	178
2016-01-01	164
