Year	Number of Firms
1992-01-01	125
1997-01-01	151
2002-01-01	153
2003-01-01	117
2004-01-01	149
2005-01-01	142
2006-01-01	154
2007-01-01	152
2008-01-01	168
2009-01-01	137
2010-01-01	106
2011-01-01	121
2012-01-01	144
2013-01-01	132
2014-01-01	112
2015-01-01	82
2016-01-01	60