Year	Number of Firms
1992-01-01	263
1997-01-01	201
2002-01-01	170
2003-01-01	162
2004-01-01	170
2005-01-01	179
2006-01-01	163
2007-01-01	147
2008-01-01	131
2009-01-01	135
2010-01-01	125
2011-01-01	112
2012-01-01	94
2013-01-01	103
2014-01-01	101
2015-01-01	95
2016-01-01	88
