Year	Number of Firms
1992-01-01	8
1997-01-01	15
2002-01-01	20
2003-01-01	23
2004-01-01	23
2005-01-01	36
2006-01-01	38
2007-01-01	35
2008-01-01	39
2009-01-01	26
2010-01-01	29
2011-01-01	31
2012-01-01	44
2013-01-01	48
2014-01-01	35
2015-01-01	33
2016-01-01	28