Year	Number of Firms
1992-01-01	7
1997-01-01	35
2002-01-01	36
2003-01-01	31
2004-01-01	45
2005-01-01	55
2006-01-01	55
2007-01-01	64
2008-01-01	77
2009-01-01	61
2010-01-01	84
2011-01-01	97
2012-01-01	112
2013-01-01	103
2014-01-01	106
2015-01-01	122
2016-01-01	138