Year	Number of Firms
1992-01-01	30
1997-01-01	47
2002-01-01	59
2003-01-01	67
2004-01-01	65
2005-01-01	68
2006-01-01	74
2007-01-01	87
2008-01-01	96
2009-01-01	106
2010-01-01	114
2011-01-01	143
2012-01-01	140
2013-01-01	136
2014-01-01	140
2015-01-01	131
2016-01-01	129
