Year	Number of Firms
1992-01-01	55
1997-01-01	110
2002-01-01	85
2003-01-01	81
2004-01-01	81
2005-01-01	108
2006-01-01	115
2007-01-01	134
2008-01-01	165
2009-01-01	143
2010-01-01	152
2011-01-01	157
2012-01-01	166
2013-01-01	167
2014-01-01	171
2015-01-01	170
2016-01-01	162