Year	Number of Firms
1992-01-01	70
1997-01-01	114
2002-01-01	124
2003-01-01	134
2004-01-01	136
2005-01-01	154
2006-01-01	156
2007-01-01	155
2008-01-01	181
2009-01-01	207
2010-01-01	211
2011-01-01	245
2012-01-01	243
2013-01-01	242
2014-01-01	264
2015-01-01	248
2016-01-01	211
