Year	Number of Firms
1992-01-01	31
1997-01-01	91
2002-01-01	111
2003-01-01	114
2004-01-01	143
2005-01-01	153
2006-01-01	181
2007-01-01	187
2008-01-01	234
2009-01-01	210
2010-01-01	225
2011-01-01	244
2012-01-01	255
2013-01-01	279
2014-01-01	294
2015-01-01	293
2016-01-01	275