Year	Number of Firms
1992-01-01	33
1997-01-01	46
2002-01-01	70
2003-01-01	69
2004-01-01	69
2005-01-01	98
2006-01-01	106
2007-01-01	111
2008-01-01	138
2009-01-01	143
2010-01-01	166
2011-01-01	181
2012-01-01	165
2013-01-01	167
2014-01-01	158
2015-01-01	186
2016-01-01	178