Year	Number of Firms
1992-01-01	16
1997-01-01	30
2002-01-01	22
2003-01-01	20
2004-01-01	20
2005-01-01	21
2006-01-01	31
2007-01-01	31
2008-01-01	33
2009-01-01	29
2010-01-01	40
2011-01-01	45
2012-01-01	52
2013-01-01	48
2014-01-01	58
2015-01-01	54
2016-01-01	42