Year	Number of Firms
1992-01-01	10
1997-01-01	15
2002-01-01	16
2003-01-01	21
2004-01-01	22
2005-01-01	22
2006-01-01	26
2007-01-01	30
2008-01-01	30
2009-01-01	31
2010-01-01	36
2011-01-01	34
2012-01-01	40
2013-01-01	38
2014-01-01	25
2015-01-01	33
2016-01-01	26