Year	Number of Firms
1992-01-01	13
1997-01-01	16
2002-01-01	30
2003-01-01	31
2004-01-01	44
2005-01-01	40
2006-01-01	40
2007-01-01	49
2008-01-01	45
2009-01-01	51
2010-01-01	55
2011-01-01	83
2012-01-01	95
2013-01-01	85
2014-01-01	79
2015-01-01	85
2016-01-01	157