Year	Number of Firms
1992-01-01	46
1997-01-01	71
2002-01-01	84
2003-01-01	84
2004-01-01	101
2005-01-01	137
2006-01-01	120
2007-01-01	155
2008-01-01	181
2009-01-01	189
2010-01-01	200
2011-01-01	188
2012-01-01	207
2013-01-01	226
2014-01-01	233
2015-01-01	156
2016-01-01	117