Year	Number of Firms
1992-01-01	161
1997-01-01	199
2002-01-01	157
2003-01-01	129
2004-01-01	155
2005-01-01	168
2006-01-01	158
2007-01-01	177
2008-01-01	162
2009-01-01	139
2010-01-01	119
2011-01-01	133
2012-01-01	156
2013-01-01	139
2014-01-01	132
2015-01-01	107
2016-01-01	107