Year	Number of Firms
1992-01-01	3
1997-01-01	15
2002-01-01	30
2003-01-01	17
2004-01-01	15
2005-01-01	14
2006-01-01	15
2007-01-01	15
2008-01-01	18
2009-01-01	27
2010-01-01	22
2011-01-01	25
2012-01-01	26
2013-01-01	39
2014-01-01	24
2015-01-01	35
2016-01-01	34