Year	Number of Firms
1992-01-01	73
1997-01-01	106
2002-01-01	153
2003-01-01	132
2004-01-01	148
2005-01-01	160
2006-01-01	228
2007-01-01	247
2008-01-01	196
2009-01-01	208
2010-01-01	254
2011-01-01	258
2012-01-01	249
2013-01-01	270
2014-01-01	292
2015-01-01	329
2016-01-01	308