Year	Number of Firms
1992-01-01	131
1997-01-01	96
2002-01-01	143
2003-01-01	147
2004-01-01	165
2005-01-01	174
2006-01-01	139
2007-01-01	173
2008-01-01	155
2009-01-01	140
2010-01-01	108
2011-01-01	106
2012-01-01	67
2013-01-01	58
2014-01-01	72
2015-01-01	88
2016-01-01	65