Year	Number of Firms
1992-01-01	11
1997-01-01	12
2002-01-01	28
2003-01-01	29
2004-01-01	33
2005-01-01	34
2006-01-01	40
2007-01-01	41
2008-01-01	51
2009-01-01	61
2010-01-01	48
2011-01-01	59
2012-01-01	57
2013-01-01	38
2014-01-01	50
2015-01-01	43
2016-01-01	45