Year	Number of Firms
1992-01-01	48
1997-01-01	118
2002-01-01	112
2003-01-01	115
2004-01-01	116
2005-01-01	111
2006-01-01	120
2007-01-01	134
2008-01-01	165
2009-01-01	149
2010-01-01	168
2011-01-01	186
2012-01-01	194
2013-01-01	222
2014-01-01	216
2015-01-01	221
2016-01-01	183
