Year	Number of Firms
1992-01-01	93
1997-01-01	163
2002-01-01	162
2003-01-01	160
2004-01-01	162
2005-01-01	159
2006-01-01	166
2007-01-01	187
2008-01-01	182
2009-01-01	201
2010-01-01	199
2011-01-01	208
2012-01-01	214
2013-01-01	236
2014-01-01	238
2015-01-01	216
2016-01-01	242