Year	Number of Firms
1992-01-01	19
1997-01-01	25
2002-01-01	29
2003-01-01	25
2004-01-01	33
2005-01-01	38
2006-01-01	26
2007-01-01	35
2008-01-01	39
2009-01-01	33
2010-01-01	48
2011-01-01	51
2012-01-01	49
2013-01-01	48
2014-01-01	54
2015-01-01	62
2016-01-01	59