Year	Number of Firms
1992-01-01	18
1997-01-01	33
2002-01-01	24
2003-01-01	35
2004-01-01	39
2005-01-01	31
2006-01-01	44
2007-01-01	48
2008-01-01	48
2009-01-01	47
2010-01-01	55
2011-01-01	57
2012-01-01	57
2013-01-01	70
2014-01-01	56
2015-01-01	46
2016-01-01	57