Year	Number of Firms
1992-01-01	11
1997-01-01	12
2002-01-01	15
2003-01-01	20
2004-01-01	23
2005-01-01	26
2006-01-01	22
2007-01-01	21
2008-01-01	30
2009-01-01	27
2010-01-01	37
2011-01-01	36
2012-01-01	45
2013-01-01	39
2014-01-01	34
2015-01-01	26
2016-01-01	29