Year	Number of Firms
1992-01-01	50
1997-01-01	68
2002-01-01	75
2003-01-01	89
2004-01-01	92
2005-01-01	90
2006-01-01	91
2007-01-01	106
2008-01-01	109
2009-01-01	106
2010-01-01	118
2011-01-01	141
2012-01-01	138
2013-01-01	136
2014-01-01	152
2015-01-01	143
2016-01-01	136