Year	Number of Firms
1992-01-01	2
1997-01-01	7
2002-01-01	13
2003-01-01	26
2004-01-01	33
2005-01-01	31
2006-01-01	42
2007-01-01	46
2008-01-01	43
2009-01-01	45
2010-01-01	47
2011-01-01	55
2012-01-01	96
2013-01-01	62
2014-01-01	72
2015-01-01	53
2016-01-01	49