Year	Number of Firms
1992-01-01	31
1997-01-01	72
2002-01-01	84
2003-01-01	89
2004-01-01	90
2005-01-01	100
2006-01-01	94
2007-01-01	111
2008-01-01	157
2009-01-01	207
2010-01-01	347
2011-01-01	247
2012-01-01	196
2013-01-01	158
2014-01-01	169
2015-01-01	152
2016-01-01	220