Year	Number of Firms
1992-01-01	128
1997-01-01	157
2002-01-01	177
2003-01-01	183
2004-01-01	187
2005-01-01	199
2006-01-01	194
2007-01-01	188
2008-01-01	202
2009-01-01	170
2010-01-01	194
2011-01-01	196
2012-01-01	201
2013-01-01	226
2014-01-01	225
2015-01-01	222
2016-01-01	190