Year	Number of Firms
1992-01-01	106
1997-01-01	185
2002-01-01	182
2003-01-01	185
2004-01-01	196
2005-01-01	228
2006-01-01	248
2007-01-01	244
2008-01-01	282
2009-01-01	260
2010-01-01	296
2011-01-01	331
2012-01-01	362
2013-01-01	353
2014-01-01	393
2015-01-01	382
2016-01-01	371