Year	Number of Firms
1992-01-01	126
1997-01-01	146
2002-01-01	140
2003-01-01	140
2004-01-01	127
2005-01-01	132
2006-01-01	149
2007-01-01	185
2008-01-01	207
2009-01-01	221
2010-01-01	214
2011-01-01	218
2012-01-01	259
2013-01-01	251
2014-01-01	279
2015-01-01	282
2016-01-01	233