Year	Number of Firms
1992-01-01	19
1997-01-01	21
2002-01-01	32
2003-01-01	29
2004-01-01	22
2005-01-01	31
2006-01-01	40
2007-01-01	44
2008-01-01	48
2009-01-01	44
2010-01-01	49
2011-01-01	55
2012-01-01	56
2013-01-01	59
2014-01-01	64
2015-01-01	59
2016-01-01	61