Year	Number of Firms
1992-01-01	14
1997-01-01	13
2002-01-01	12
2003-01-01	9
2004-01-01	18
2005-01-01	21
2006-01-01	19
2007-01-01	29
2008-01-01	22
2009-01-01	15
2010-01-01	26
2011-01-01	33
2012-01-01	35
2013-01-01	30
2014-01-01	34
2015-01-01	32
2016-01-01	22