Year	Number of Firms
1992-01-01	6
1997-01-01	23
2002-01-01	21
2003-01-01	23
2004-01-01	30
2005-01-01	34
2006-01-01	28
2007-01-01	39
2008-01-01	50
2009-01-01	35
2010-01-01	39
2011-01-01	44
2012-01-01	51
2013-01-01	59
2014-01-01	59
2015-01-01	63
2016-01-01	59