Year	Number of Firms
1992-01-01	17
1997-01-01	28
2002-01-01	21
2003-01-01	27
2004-01-01	24
2005-01-01	35
2006-01-01	38
2007-01-01	36
2008-01-01	37
2009-01-01	39
2010-01-01	37
2011-01-01	47
2012-01-01	50
2013-01-01	47
2014-01-01	59
2015-01-01	51
2016-01-01	48