Year	Number of Firms
1997-01-01	34
2002-01-01	42
2003-01-01	47
2004-01-01	53
2005-01-01	66
2006-01-01	67
2007-01-01	75
2008-01-01	95
2009-01-01	95
2010-01-01	96
2011-01-01	97
2012-01-01	90
2013-01-01	105
2014-01-01	106
2015-01-01	114
2016-01-01	121