Year	Number of Firms
1992-01-01	36
1997-01-01	86
2002-01-01	83
2003-01-01	93
2004-01-01	118
2005-01-01	114
2006-01-01	108
2007-01-01	140
2008-01-01	146
2009-01-01	175
2010-01-01	186
2011-01-01	173
2012-01-01	198
2013-01-01	182
2014-01-01	187
2015-01-01	160
2016-01-01	150