Year	Number of Firms
1992-01-01	109
1997-01-01	224
2002-01-01	179
2003-01-01	165
2004-01-01	150
2005-01-01	158
2006-01-01	160
2007-01-01	181
2008-01-01	173
2009-01-01	185
2010-01-01	202
2011-01-01	213
2012-01-01	217
2013-01-01	201
2014-01-01	185
2015-01-01	192
2016-01-01	197