Year	Number of Firms
1992-01-01	57
1997-01-01	73
2002-01-01	90
2003-01-01	91
2004-01-01	76
2005-01-01	79
2006-01-01	93
2007-01-01	120
2008-01-01	130
2009-01-01	117
2010-01-01	133
2011-01-01	148
2012-01-01	151
2013-01-01	169
2014-01-01	150
2015-01-01	148
2016-01-01	171