Year	Number of Firms
1992-01-01	126
1997-01-01	150
2002-01-01	148
2003-01-01	143
2004-01-01	161
2005-01-01	169
2006-01-01	182
2007-01-01	190
2008-01-01	187
2009-01-01	185
2010-01-01	213
2011-01-01	185
2012-01-01	175
2013-01-01	183
2014-01-01	175
2015-01-01	134
2016-01-01	135