Year	Number of Firms
1997-01-01	47
2002-01-01	94
2003-01-01	88
2004-01-01	97
2005-01-01	91
2006-01-01	107
2007-01-01	120
2008-01-01	118
2009-01-01	112
2010-01-01	108
2011-01-01	130
2012-01-01	142
2013-01-01	145
2014-01-01	138
2015-01-01	146
2016-01-01	133