Year	Number of Firms
1992-01-01	103
1997-01-01	137
2002-01-01	132
2003-01-01	150
2004-01-01	151
2005-01-01	164
2006-01-01	165
2007-01-01	186
2008-01-01	203
2009-01-01	193
2010-01-01	190
2011-01-01	203
2012-01-01	194
2013-01-01	187
2014-01-01	198
2015-01-01	163
2016-01-01	166