Year	Number of Firms
1992-01-01	5
1997-01-01	3
2002-01-01	15
2003-01-01	13
2004-01-01	20
2005-01-01	16
2006-01-01	14
2007-01-01	22
2008-01-01	19
2009-01-01	25
2010-01-01	23
2011-01-01	24
2012-01-01	24
2013-01-01	32
2014-01-01	22
2015-01-01	24
2016-01-01	30