Year	Number of Firms
1992-01-01	139
1997-01-01	151
2002-01-01	132
2003-01-01	142
2004-01-01	131
2005-01-01	205
2006-01-01	236
2007-01-01	212
2008-01-01	249
2009-01-01	234
2010-01-01	250
2011-01-01	255
2012-01-01	245
2013-01-01	299
2014-01-01	297
2015-01-01	326
2016-01-01	335