Year	Number of Firms
1992-01-01	10
1997-01-01	17
2002-01-01	17
2003-01-01	18
2004-01-01	21
2005-01-01	14
2006-01-01	22
2007-01-01	28
2008-01-01	44
2009-01-01	32
2010-01-01	36
2011-01-01	46
2012-01-01	30
2013-01-01	35
2014-01-01	34
2015-01-01	39
2016-01-01	35