Year	Number of Firms
1992-01-01	13
1997-01-01	19
2002-01-01	29
2003-01-01	41
2004-01-01	31
2005-01-01	30
2006-01-01	36
2007-01-01	39
2008-01-01	40
2009-01-01	41
2010-01-01	64
2011-01-01	51
2012-01-01	59
2013-01-01	51
2014-01-01	49
2015-01-01	61
2016-01-01	49