Year	Number of Firms
1992-01-01	108
1997-01-01	132
2002-01-01	162
2003-01-01	167
2004-01-01	167
2005-01-01	175
2006-01-01	188
2007-01-01	197
2008-01-01	215
2009-01-01	214
2010-01-01	236
2011-01-01	257
2012-01-01	245
2013-01-01	249
2014-01-01	268
2015-01-01	270
2016-01-01	251