Year	Number of Firms
1992-01-01	110
1997-01-01	130
2002-01-01	138
2003-01-01	157
2004-01-01	167
2005-01-01	165
2006-01-01	163
2007-01-01	170
2008-01-01	179
2009-01-01	178
2010-01-01	191
2011-01-01	193
2012-01-01	183
2013-01-01	190
2014-01-01	193
2015-01-01	179
2016-01-01	168