Year	Number of Firms
1992-01-01	132
1997-01-01	191
2002-01-01	187
2003-01-01	189
2004-01-01	177
2005-01-01	180
2006-01-01	157
2007-01-01	183
2008-01-01	170
2009-01-01	187
2010-01-01	175
2011-01-01	177
2012-01-01	170
2013-01-01	180
2014-01-01	174
2015-01-01	165
2016-01-01	155