Year	Number of Firms
1992-01-01	672
1997-01-01	1006
2002-01-01	1082
2003-01-01	1105
2004-01-01	1228
2005-01-01	1175
2006-01-01	1160
2007-01-01	1212
2008-01-01	1172
2009-01-01	1149
2010-01-01	1283
2011-01-01	1292
2012-01-01	1237
2013-01-01	1176
2014-01-01	1173
2015-01-01	1151
2016-01-01	1104