Year	Number of Firms
1992-01-01	13
1997-01-01	16
2002-01-01	30
2003-01-01	24
2004-01-01	22
2005-01-01	28
2006-01-01	40
2007-01-01	41
2008-01-01	33
2009-01-01	24
2010-01-01	24
2011-01-01	21
2012-01-01	30
2013-01-01	35
2014-01-01	40
2015-01-01	34
2016-01-01	29