Year	Number of Firms
1992-01-01	92
1997-01-01	125
2002-01-01	153
2003-01-01	172
2004-01-01	195
2005-01-01	209
2006-01-01	184
2007-01-01	211
2008-01-01	233
2009-01-01	213
2010-01-01	207
2011-01-01	205
2012-01-01	188
2013-01-01	177
2014-01-01	215
2015-01-01	201
2016-01-01	223
