Year	Number of Firms
1992-01-01	27
1997-01-01	51
2002-01-01	104
2003-01-01	116
2004-01-01	124
2005-01-01	135
2006-01-01	164
2007-01-01	180
2008-01-01	192
2009-01-01	189
2010-01-01	203
2011-01-01	231
2012-01-01	209
2013-01-01	222
2014-01-01	219
2015-01-01	234
2016-01-01	198
