Year	Number of Firms
1992-01-01	143
1997-01-01	154
2002-01-01	169
2003-01-01	105
2004-01-01	138
2005-01-01	137
2006-01-01	133
2007-01-01	142
2008-01-01	156
2009-01-01	104
2010-01-01	123
2011-01-01	134
2012-01-01	131
2013-01-01	115
2014-01-01	94
2015-01-01	83
2016-01-01	50