Year	Number of Firms
1992-01-01	77
1997-01-01	112
2002-01-01	148
2003-01-01	172
2004-01-01	158
2005-01-01	165
2006-01-01	167
2007-01-01	191
2008-01-01	183
2009-01-01	193
2010-01-01	197
2011-01-01	213
2012-01-01	235
2013-01-01	243
2014-01-01	237
2015-01-01	245
2016-01-01	260