Year	Number of Firms
1992-01-01	188
1997-01-01	191
2002-01-01	233
2003-01-01	145
2004-01-01	195
2005-01-01	199
2006-01-01	205
2007-01-01	165
2008-01-01	190
2009-01-01	144
2010-01-01	148
2011-01-01	156
2012-01-01	170
2013-01-01	157
2014-01-01	138
2015-01-01	88
2016-01-01	62