Year	Number of Firms
1992-01-01	5
1997-01-01	11
2002-01-01	13
2003-01-01	15
2004-01-01	16
2005-01-01	22
2006-01-01	20
2007-01-01	13
2008-01-01	19
2009-01-01	32
2010-01-01	36
2011-01-01	28
2012-01-01	33
2013-01-01	33
2014-01-01	34
2015-01-01	36
2016-01-01	24