Year	Number of Firms
1992-01-01	4
1997-01-01	11
2002-01-01	13
2003-01-01	14
2004-01-01	18
2005-01-01	19
2006-01-01	31
2007-01-01	24
2008-01-01	32
2009-01-01	38
2010-01-01	35
2011-01-01	36
2012-01-01	45
2013-01-01	35
2014-01-01	43
2015-01-01	31
2016-01-01	24