Year	Number of Firms
1992-01-01	49
1997-01-01	76
2002-01-01	101
2003-01-01	108
2004-01-01	125
2005-01-01	144
2006-01-01	142
2007-01-01	133
2008-01-01	163
2009-01-01	179
2010-01-01	164
2011-01-01	176
2012-01-01	173
2013-01-01	145
2014-01-01	170
2015-01-01	175
2016-01-01	156