Year	Number of Firms
1992-01-01	1
1997-01-01	37
2002-01-01	96
2003-01-01	105
2004-01-01	129
2005-01-01	141
2006-01-01	138
2007-01-01	175
2008-01-01	178
2009-01-01	195
2010-01-01	234
2011-01-01	261
2012-01-01	242
2013-01-01	224
2014-01-01	276
2015-01-01	279
2016-01-01	291