Year	Number of Firms
1992-01-01	11
1997-01-01	31
2002-01-01	61
2003-01-01	57
2004-01-01	57
2005-01-01	79
2006-01-01	65
2007-01-01	75
2008-01-01	92
2009-01-01	102
2010-01-01	116
2011-01-01	91
2012-01-01	125
2013-01-01	122
2014-01-01	144
2015-01-01	149
2016-01-01	158