Year	Number of Firms
1992-01-01	10
1997-01-01	9
2002-01-01	6
2003-01-01	19
2004-01-01	18
2005-01-01	19
2006-01-01	20
2007-01-01	20
2008-01-01	26
2009-01-01	29
2010-01-01	29
2011-01-01	35
2012-01-01	26
2013-01-01	28
2014-01-01	31
2015-01-01	32
2016-01-01	36