Year	Number of Firms
1992-01-01	92
1997-01-01	114
2002-01-01	98
2003-01-01	81
2004-01-01	88
2005-01-01	135
2006-01-01	119
2007-01-01	116
2008-01-01	217
2009-01-01	201
2010-01-01	203
2011-01-01	208
2012-01-01	206
2013-01-01	204
2014-01-01	204
2015-01-01	219
2016-01-01	219