Year	Number of Firms
1992-01-01	19
1997-01-01	42
2002-01-01	49
2003-01-01	49
2004-01-01	61
2005-01-01	74
2006-01-01	95
2007-01-01	85
2008-01-01	106
2009-01-01	117
2010-01-01	109
2011-01-01	81
2012-01-01	131
2013-01-01	132
2014-01-01	163
2015-01-01	165
2016-01-01	154