Year	Number of Firms
1992-01-01	10
1997-01-01	15
2002-01-01	24
2003-01-01	29
2004-01-01	34
2005-01-01	30
2006-01-01	34
2007-01-01	30
2008-01-01	31
2009-01-01	31
2010-01-01	27
2011-01-01	20
2012-01-01	26
2013-01-01	37
2014-01-01	30
2015-01-01	34
2016-01-01	33