Year	Number of Firms
1992-01-01	52
1997-01-01	66
2002-01-01	114
2003-01-01	123
2004-01-01	145
2005-01-01	145
2006-01-01	169
2007-01-01	159
2008-01-01	176
2009-01-01	178
2010-01-01	169
2011-01-01	156
2012-01-01	166
2013-01-01	143
2014-01-01	149
2015-01-01	146
2016-01-01	160