Year	Number of Firms
1992-01-01	3
1997-01-01	18
2002-01-01	28
2003-01-01	35
2004-01-01	52
2005-01-01	46
2006-01-01	42
2007-01-01	55
2008-01-01	76
2009-01-01	52
2010-01-01	51
2011-01-01	62
2012-01-01	62
2013-01-01	67
2014-01-01	52
2015-01-01	54
2016-01-01	43