Year	Number of Firms
1992-01-01	64
1997-01-01	144
2002-01-01	131
2003-01-01	139
2004-01-01	127
2005-01-01	150
2006-01-01	146
2007-01-01	167
2008-01-01	177
2009-01-01	178
2010-01-01	200
2011-01-01	218
2012-01-01	239
2013-01-01	219
2014-01-01	217
2015-01-01	190
2016-01-01	184