Year	Number of Firms
1992-01-01	69
1997-01-01	159
2002-01-01	108
2003-01-01	128
2004-01-01	135
2005-01-01	164
2006-01-01	184
2007-01-01	214
2008-01-01	234
2009-01-01	215
2010-01-01	249
2011-01-01	250
2012-01-01	256
2013-01-01	267
2014-01-01	293
2015-01-01	262
2016-01-01	216