Year	Number of Firms
1992-01-01	57
1997-01-01	112
2002-01-01	146
2003-01-01	120
2004-01-01	117
2005-01-01	142
2006-01-01	131
2007-01-01	139
2008-01-01	134
2009-01-01	123
2010-01-01	123
2011-01-01	124
2012-01-01	122
2013-01-01	117
2014-01-01	127
2015-01-01	124
2016-01-01	108