Year	Number of Firms
1992-01-01	64
1997-01-01	96
2002-01-01	110
2003-01-01	113
2004-01-01	136
2005-01-01	141
2006-01-01	128
2007-01-01	153
2008-01-01	168
2009-01-01	178
2010-01-01	195
2011-01-01	220
2012-01-01	218
2013-01-01	218
2014-01-01	230
2015-01-01	221
2016-01-01	189