Year	Number of Firms
1992-01-01	8
1997-01-01	55
2002-01-01	61
2003-01-01	67
2004-01-01	87
2005-01-01	97
2006-01-01	108
2007-01-01	114
2008-01-01	153
2009-01-01	121
2010-01-01	116
2011-01-01	143
2012-01-01	145
2013-01-01	156
2014-01-01	139
2015-01-01	108
2016-01-01	124
