Year	Number of Firms
1992-01-01	12
1997-01-01	22
2002-01-01	31
2003-01-01	28
2004-01-01	30
2005-01-01	29
2006-01-01	27
2007-01-01	34
2008-01-01	36
2009-01-01	42
2010-01-01	43
2011-01-01	37
2012-01-01	45
2013-01-01	37
2014-01-01	40
2015-01-01	39
2016-01-01	46