Year	Number of Firms
1992-01-01	139
1997-01-01	143
2002-01-01	163
2003-01-01	137
2004-01-01	155
2005-01-01	165
2006-01-01	155
2007-01-01	168
2008-01-01	165
2009-01-01	150
2010-01-01	170
2011-01-01	169
2012-01-01	172
2013-01-01	173
2014-01-01	176
2015-01-01	187
2016-01-01	183