Year	Number of Firms
1992-01-01	123
1997-01-01	139
2002-01-01	158
2003-01-01	150
2004-01-01	166
2005-01-01	167
2006-01-01	174
2007-01-01	196
2008-01-01	209
2009-01-01	214
2010-01-01	206
2011-01-01	219
2012-01-01	238
2013-01-01	218
2014-01-01	228
2015-01-01	229
2016-01-01	219