Year	Number of Firms
1992-01-01	66
1997-01-01	134
2002-01-01	145
2003-01-01	144
2004-01-01	155
2005-01-01	135
2006-01-01	127
2007-01-01	152
2008-01-01	146
2009-01-01	119
2010-01-01	125
2011-01-01	133
2012-01-01	132
2013-01-01	127
2014-01-01	135
2015-01-01	131
2016-01-01	139