Year	Number of Firms
1992-01-01	87
1997-01-01	155
2002-01-01	208
2003-01-01	195
2004-01-01	211
2005-01-01	205
2006-01-01	214
2007-01-01	214
2008-01-01	233
2009-01-01	215
2010-01-01	210
2011-01-01	221
2012-01-01	223
2013-01-01	237
2014-01-01	245
2015-01-01	221
2016-01-01	220