Year	Number of Firms
1997-01-01	63
2002-01-01	60
2003-01-01	84
2004-01-01	80
2005-01-01	89
2006-01-01	98
2007-01-01	118
2008-01-01	124
2009-01-01	121
2010-01-01	122
2011-01-01	147
2012-01-01	125
2013-01-01	139
2014-01-01	151
2015-01-01	144
2016-01-01	161