Year	Number of Firms
1992-01-01	54
1997-01-01	63
2002-01-01	114
2003-01-01	118
2004-01-01	138
2005-01-01	154
2006-01-01	156
2007-01-01	152
2008-01-01	197
2009-01-01	212
2010-01-01	187
2011-01-01	205
2012-01-01	201
2013-01-01	217
2014-01-01	221
2015-01-01	208
2016-01-01	202