Year	Number of Firms
1992-01-01	27
1997-01-01	30
2002-01-01	29
2003-01-01	31
2004-01-01	35
2005-01-01	36
2006-01-01	35
2007-01-01	39
2008-01-01	45
2009-01-01	53
2010-01-01	57
2011-01-01	45
2012-01-01	51
2013-01-01	55
2014-01-01	63
2015-01-01	50
2016-01-01	51