Year	Number of Firms
1992-01-01	7
1997-01-01	16
2002-01-01	12
2003-01-01	18
2004-01-01	17
2005-01-01	19
2006-01-01	25
2007-01-01	29
2008-01-01	33
2009-01-01	24
2010-01-01	40
2011-01-01	47
2012-01-01	40
2013-01-01	36
2014-01-01	50
2015-01-01	44
2016-01-01	44