Year	Number of Firms
1992-01-01	109
1997-01-01	120
2002-01-01	135
2003-01-01	136
2004-01-01	131
2005-01-01	148
2006-01-01	155
2007-01-01	170
2008-01-01	162
2009-01-01	161
2010-01-01	164
2011-01-01	170
2012-01-01	145
2013-01-01	155
2014-01-01	151
2015-01-01	139
2016-01-01	124
