Year	Number of Firms
1992-01-01	131
1997-01-01	236
2002-01-01	209
2003-01-01	207
2004-01-01	223
2005-01-01	213
2006-01-01	219
2007-01-01	222
2008-01-01	252
2009-01-01	236
2010-01-01	256
2011-01-01	243
2012-01-01	253
2013-01-01	273
2014-01-01	252
2015-01-01	288
2016-01-01	282