Year	Number of Firms
1992-01-01	55
1997-01-01	76
2002-01-01	142
2003-01-01	167
2004-01-01	175
2005-01-01	102
2006-01-01	96
2007-01-01	118
2008-01-01	120
2009-01-01	153
2010-01-01	137
2011-01-01	149
2012-01-01	177
2013-01-01	178
2014-01-01	178
2015-01-01	185
2016-01-01	189