Year	Number of Firms
1992-01-01	33
1997-01-01	51
2002-01-01	50
2003-01-01	66
2004-01-01	72
2005-01-01	72
2006-01-01	71
2007-01-01	76
2008-01-01	97
2009-01-01	72
2010-01-01	79
2011-01-01	79
2012-01-01	72
2013-01-01	80
2014-01-01	84
2015-01-01	83
2016-01-01	90