Year	Number of Firms
1992-01-01	42
1997-01-01	51
2002-01-01	79
2003-01-01	64
2004-01-01	70
2005-01-01	73
2006-01-01	82
2007-01-01	91
2008-01-01	105
2009-01-01	106
2010-01-01	126
2011-01-01	143
2012-01-01	135
2013-01-01	141
2014-01-01	140
2015-01-01	128
2016-01-01	150