Year	Number of Firms
1992-01-01	102
1997-01-01	147
2002-01-01	145
2003-01-01	139
2004-01-01	143
2005-01-01	156
2006-01-01	161
2007-01-01	178
2008-01-01	192
2009-01-01	165
2010-01-01	169
2011-01-01	178
2012-01-01	168
2013-01-01	162
2014-01-01	186
2015-01-01	151
2016-01-01	214