Year	Number of Firms
1992-01-01	38
1997-01-01	67
2002-01-01	102
2003-01-01	105
2004-01-01	134
2005-01-01	140
2006-01-01	146
2007-01-01	203
2008-01-01	227
2009-01-01	204
2010-01-01	234
2011-01-01	243
2012-01-01	249
2013-01-01	253
2014-01-01	285
2015-01-01	261
2016-01-01	261