Year	Number of Firms
1992-01-01	94
1997-01-01	204
2002-01-01	211
2003-01-01	200
2004-01-01	207
2005-01-01	222
2006-01-01	213
2007-01-01	209
2008-01-01	207
2009-01-01	204
2010-01-01	227
2011-01-01	229
2012-01-01	263
2013-01-01	246
2014-01-01	244
2015-01-01	252
2016-01-01	273