Year	Number of Firms
1992-01-01	74
1997-01-01	96
2002-01-01	125
2003-01-01	108
2004-01-01	108
2005-01-01	123
2006-01-01	163
2007-01-01	144
2008-01-01	155
2009-01-01	147
2010-01-01	131
2011-01-01	127
2012-01-01	131
2013-01-01	137
2014-01-01	132
2015-01-01	137
2016-01-01	137