Year	Number of Firms
1992-01-01	132
1997-01-01	172
2002-01-01	156
2003-01-01	181
2004-01-01	187
2005-01-01	219
2006-01-01	202
2007-01-01	229
2008-01-01	265
2009-01-01	223
2010-01-01	230
2011-01-01	226
2012-01-01	211
2013-01-01	187
2014-01-01	215
2015-01-01	208
2016-01-01	197