Year	Number of Firms
1992-01-01	35
1997-01-01	51
2002-01-01	68
2003-01-01	81
2004-01-01	106
2005-01-01	95
2006-01-01	88
2007-01-01	108
2008-01-01	119
2009-01-01	146
2010-01-01	149
2011-01-01	152
2012-01-01	142
2013-01-01	135
2014-01-01	146
2015-01-01	154
2016-01-01	167