Year	Number of Firms
1992-01-01	58
1997-01-01	91
2002-01-01	82
2003-01-01	84
2004-01-01	91
2005-01-01	97
2006-01-01	102
2007-01-01	138
2008-01-01	147
2009-01-01	144
2010-01-01	132
2011-01-01	127
2012-01-01	122
2013-01-01	121
2014-01-01	123
2015-01-01	130
2016-01-01	132