Year	Number of Firms
1992-01-01	28
1997-01-01	48
2002-01-01	44
2003-01-01	36
2004-01-01	41
2005-01-01	59
2006-01-01	59
2007-01-01	95
2008-01-01	124
2009-01-01	136
2010-01-01	132
2011-01-01	142
2012-01-01	111
2013-01-01	143
2014-01-01	130
2015-01-01	131
2016-01-01	125