Year	Number of Firms
1992-01-01	98
1997-01-01	86
2002-01-01	136
2003-01-01	159
2004-01-01	170
2005-01-01	174
2006-01-01	181
2007-01-01	208
2008-01-01	235
2009-01-01	225
2010-01-01	246
2011-01-01	233
2012-01-01	215
2013-01-01	206
2014-01-01	235
2015-01-01	234
2016-01-01	256