Year	Number of Firms
1992-01-01	100
1997-01-01	156
2002-01-01	163
2003-01-01	150
2004-01-01	138
2005-01-01	138
2006-01-01	143
2007-01-01	160
2008-01-01	178
2009-01-01	170
2010-01-01	185
2011-01-01	197
2012-01-01	172
2013-01-01	185
2014-01-01	176
2015-01-01	178
2016-01-01	178