Year	Number of Firms
1992-01-01	30
1997-01-01	13
2002-01-01	22
2003-01-01	28
2004-01-01	27
2005-01-01	36
2006-01-01	48
2007-01-01	35
2008-01-01	49
2009-01-01	38
2010-01-01	38
2011-01-01	52
2012-01-01	51
2013-01-01	54
2014-01-01	49
2015-01-01	50
2016-01-01	43