Year	Number of Firms
1992-01-01	11
1997-01-01	13
2002-01-01	21
2003-01-01	20
2004-01-01	28
2005-01-01	31
2006-01-01	30
2007-01-01	44
2008-01-01	42
2009-01-01	48
2010-01-01	29
2011-01-01	32
2012-01-01	30
2013-01-01	30
2014-01-01	38
2015-01-01	27
2016-01-01	32