Year	Number of Firms
1992-01-01	79
1997-01-01	101
2002-01-01	126
2003-01-01	141
2004-01-01	157
2005-01-01	155
2006-01-01	147
2007-01-01	159
2008-01-01	144
2009-01-01	151
2010-01-01	165
2011-01-01	177
2012-01-01	174
2013-01-01	185
2014-01-01	176
2015-01-01	164
2016-01-01	182