Year	Number of Firms
1992-01-01	28
1997-01-01	26
2002-01-01	27
2003-01-01	30
2004-01-01	29
2005-01-01	36
2006-01-01	39
2007-01-01	46
2008-01-01	43
2009-01-01	52
2010-01-01	52
2011-01-01	57
2012-01-01	62
2013-01-01	59
2014-01-01	63
2015-01-01	67
2016-01-01	72