Year	Number of Firms
1992-01-01	77
1997-01-01	97
2002-01-01	129
2003-01-01	142
2004-01-01	145
2005-01-01	169
2006-01-01	175
2007-01-01	194
2008-01-01	217
2009-01-01	218
2010-01-01	242
2011-01-01	248
2012-01-01	232
2013-01-01	231
2014-01-01	243
2015-01-01	230
2016-01-01	198
