Year	Number of Firms
1992-01-01	85
1997-01-01	160
2002-01-01	142
2003-01-01	150
2004-01-01	153
2005-01-01	152
2006-01-01	157
2007-01-01	207
2008-01-01	222
2009-01-01	243
2010-01-01	273
2011-01-01	300
2012-01-01	311
2013-01-01	301
2014-01-01	321
2015-01-01	341
2016-01-01	309