Year	Number of Firms
1992-01-01	127
1997-01-01	136
2002-01-01	128
2003-01-01	71
2004-01-01	109
2005-01-01	143
2006-01-01	159
2007-01-01	156
2008-01-01	138
2009-01-01	126
2010-01-01	120
2011-01-01	114
2012-01-01	113
2013-01-01	90
2014-01-01	86
2015-01-01	58
2016-01-01	45